National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

*** IMPORTANT ***  Week of June 16 - Website Data Outage - Due to a major computer upgrade the week of June 16, nearly all data on the CNRFC web site will not be updated. We anticipate the down time to be approximately 4 days. The latest deterministic hydrologic forecasts for official forecast points will continue to be available at the National Water Prediction Service during this time.


LOST RIVER - CLEAR LAKE (CKEC1)
Latitude: 41.93º NLongitude: 121.08º WElevation: 4469 Feet
Location: Modoc County in CaliforniaBulletin Group: North CoastRiver Group: Klamath
Issuance Time: Jun 08 2025 at 8:28 AM PDT

2025 Water Year Trend Tabular Plot View  |  Select a Different Water Year:  

# Tabular Water Year Trend Plot for CKEC1
#
# File Generation Time:  06/08/2025  08:28 AM PDT
# Interval:  1 Day
#
# Latest Forecast Water Year Volume Forecast:  241 kaf
# 30 Year Water Year Volume Mean:  MM kaf
#
# Forecast Water Year Percent of Average:  MM
# Observed Water Year to Date Percent of Average:  MM
#
# Peak Water Year Volume and Date:     7.17 kaf  on  02/25/2025
#
#               Min      90%      75%      50%      25%      10%      Max        Raw            Raw           Raw
#               Exceed   Exceed   Exceed   Exceed   Exceed   Exceed   Exceed     WY To Date     WY To Date    Daily
# Date          WY Fcst  WY Fcst  WY Fcst  WY Fcst  WY Fcst  WY Fcst  WY Fcst    Observation    Average       Observation
# (mm/dd/YYYY)  (kaf)    (kaf)    (kaf)    (kaf)    (kaf)    (kaf)    (kaf)      (kaf)          (kaf)         (kaf)
# -----------------------------------------------------------------------------------------------------------------------
  10/01/2024      37.5     41.9     54.0     93.7    210      244      306              0.09                     0.089964
  10/02/2024      38.3     42.4     53.2     89.5    201      247      304              0.18                     0.089872
  10/03/2024      38.8     42.3     54.0     91.2    202      253      298              0.27                     0.089789
  10/04/2024      38.9     42.1     54.1     85.1    201      247      291              0.36                     0.089730
  10/05/2024      39.9     41.8     51.9     85.7    200      244      291              0.45                     0.089676
  10/06/2024      37.9     41.8     51.9     85.6    201      244      286              0.54                     0.089646
  10/07/2024      38.4     41.4     52.1     83.6    198      246      287              0.63                     0.089622
  10/08/2024      40.5     44.0     54.5     98.7    205      257      309              0.72                     0.089611
  10/09/2024      40.2     42.2     53.5     89.1    203      245      289              0.81                     0.089611
  10/10/2024      38.6     42.7     53.3     85.5    205      249      289              0.90                     0.089611
  10/11/2024      38.9     42.9     53.1     86.0    200      251      291              0.99                     0.089611
  10/12/2024      40.4     44.0     53.9     90.0    206      252      295              1.08                     0.089611
  10/13/2024      40.6     43.6     53.8     88.5    201      252      294              1.20                     0.125817
  10/14/2024      40.1     44.3     55.3     95.2    209      251      295              1.32                     0.116511
  10/15/2024      40.2     42.8     53.5     89.6    202      243      293              1.41                     0.091697
  10/16/2024      40.2     43.7     53.0     90.5    206      251      294              1.50                     0.093494
  10/17/2024      41.9     45.9     54.4    101      213      254      307              1.82                     0.318967
  10/18/2024      41.8     44.7     54.1    101      206      256      303              1.98                     0.157101
  10/19/2024      41.5     45.2     53.8     98.7    209      253      307              2.07                     0.094359
  10/20/2024      40.7     44.9     54.9    103      211      250      316              2.17                     0.092838
  10/21/2024      42.0     44.7     56.4    104      218      256      310              2.26                     0.092602
  10/22/2024      40.0     44.1     54.8    101      209      258      298              2.35                     0.092497
  10/23/2024      41.2     45.6     55.6    102      216      264      307              2.44                     0.092292
  10/24/2024      40.6     45.6     56.2    100      205      265      309              2.56                     0.114029
  10/25/2024      41.4     45.2     55.5    100      200      260      305              2.67                     0.107750
  10/26/2024      41.5     47.3     56.6    105      203      256      321              2.76                     0.094234
  10/27/2024      42.0     45.6     54.3    103      198      254      311              2.85                     0.092197
  10/28/2024      45.5     48.7     59.8    120      213      266      325              3.07                     0.213135
  10/29/2024      46.6     49.9     62.6    126      215      274      324              3.26                     0.197975
  10/30/2024      45.6     50.4     63.0    116      215      276      309              3.37                     0.106324
  10/31/2024      41.2     47.9     56.4    107      198      256      281              3.48                     0.111919
  11/01/2024      45.5     49.8     57.7    107      202      256      289              3.60                     0.118447
  11/02/2024      40.8     48.9     56.1    103      192      243      293              3.74                     0.136542
  11/03/2024      45.0     50.7     61.2    107      209      261      303              3.88                     0.144405
  11/04/2024      42.3     49.6     57.9    106      201      252      300              3.99                     0.108202
  11/05/2024      47.1     51.0     56.9    106      212      258      323              4.10                     0.105609
  11/06/2024      46.7     50.9     55.8    107      214      259      323              4.20                     0.104560
  11/07/2024      47.2     51.2     56.8    104      199      257      313              4.30                     0.100308
  11/08/2024      44.3     50.6     57.3    101      203      257      308              4.41                     0.108311
  11/09/2024      47.1     51.7     65.2    104      197      259      320              4.53                     0.116604
  11/10/2024      47.2     53.5     67.9    106      206      256      321              4.63                     0.108134
  11/11/2024      49.0     51.5     65.4    106      202      252      326              4.73                     0.101730
  11/12/2024      46.0     51.3     63.2    103      195      244      305              4.94                     0.201847
  11/13/2024      47.3     52.6     65.7    107      202      253      318              5.06                     0.125889
  11/14/2024      46.5     52.8     59.7    104      185      243      316              5.18                     0.122080
  11/15/2024      47.9     53.3     61.6    108      193      251      311              5.31                     0.121315
  11/16/2024      49.8     57.3     66.2    118      216      261      337              5.41                     0.103451
  11/17/2024      51.2     58.8     66.8    126      236      273      346              5.51                     0.099326
  11/18/2024      58.4     63.0     76.3    143      243      298      365              5.64                     0.130124
  11/19/2024      58.5     63.9     76.5    143      242      297      368              5.75                     0.112708
  11/20/2024      56.8     61.1     74.7    141      229      293      347              5.85                     0.099125
  11/21/2024      57.1     63.2     71.6    141      221      289      359              6.01                     0.155447
  11/22/2024      51.8     60.4     70.5    123      203      289      350              7.61                     1.602513
  11/23/2024      57.0     62.5     73.8    130      215      290      354              9.85                     2.237227
  11/24/2024      57.2     62.8     73.2    119      208      268      344             11.03                     1.184965
  11/25/2024      54.1     58.8     75.1    118      200      269      346             11.59                     0.563372
  11/26/2024      58.4     63.1     76.0    124      203      270      335             12.07                     0.476278
  11/27/2024      57.0     60.5     73.1    113      205      258      321             12.49                     0.421135
  11/28/2024      55.6     61.1     71.5    113      205      259      317             12.86                     0.372718
  11/29/2024      54.3     60.6     72.9    110      199      249      314             13.20                     0.334079
  11/30/2024      54.1     59.9     76.4    113      204      260      328             13.50                     0.303559
  12/01/2024      54.5     61.7     76.3    110      194      254      319             13.78                     0.278910
  12/02/2024      55.3     60.8     76.3    112      199      256      326             14.04                     0.256897
  12/03/2024      55.5     59.9     74.2    111      192      254      319             14.28                     0.241326
  12/04/2024      56.7     59.8     74.8    110      182      257      323             14.51                     0.233496
  12/05/2024      55.9     60.0     73.1    108      198      248      317             14.74                     0.227474
  12/06/2024      55.0     59.1     73.8    105      176      244      312             14.96                     0.219401
  12/07/2024      55.6     59.2     74.3    104      186      238      309             15.17                     0.208101
  12/08/2024      55.1     57.3     70.6    102      179      235      301             15.37                     0.197965
  12/09/2024      58.3     61.4     76.9    110      186      243      327             15.55                     0.187076
  12/10/2024      59.5     67.0     80.3    111      200      255      326             15.73                     0.173973
  12/11/2024      57.6     64.5     78.0    111      184      253      321             15.89                     0.164944
  12/12/2024      61.3     63.7     80.0    111      182      251      333             16.05                     0.157538
  12/13/2024      57.3     64.5     76.6    114      180      244      327             16.20                     0.150363
  12/14/2024      60.3     67.9     83.1    114      191      249      320             16.35                     0.150476
  12/15/2024      61.7     70.9     89.7    120      199      242      327             16.50                     0.148999
  12/16/2024      61.5     72.7     88.0    121      201      236      311             16.64                     0.138478
  12/17/2024      68.7     76.8     94.7    131      206      245      328             16.77                     0.134233
  12/18/2024      75.4     78.2     97.7    138      213      253      326             16.91                     0.138948
  12/19/2024      69.3     78.6     96.8    135      209      250      307             17.07                     0.159218
  12/20/2024      82.3     88.8    108      149      219      263      365             17.22                     0.145559
  12/21/2024      67.5     82.4     96.7    127      206      244      325             17.36                     0.148445
  12/22/2024      80.0     87.3    111      141      211      272      366             17.88                     0.514365
  12/23/2024      73.3     88.9    105      138      205      265      345             18.32                     0.440206
  12/24/2024      83.1     94.0    110      142      210      282      398             18.66                     0.343485
  12/25/2024      88.6    102      119      150      219      279      384             20.08                     1.420519
  12/26/2024      83.5     95.5    110      143      212      261      348             21.53                     1.443068
  12/27/2024      78.3     93.7    106      137      192      247      339             22.41                     0.880071
  12/28/2024      83.8    100      115      139      212      268      336             24.50                     2.092944
  12/29/2024      91.3    103      117      141      211      267      351             29.65                     5.148226
  12/30/2024      93.7    111      120      147      196      266      339             36.06                     6.408998
  12/31/2024      98.8    115      129      166      203      276      361             39.67                     3.612209
  01/01/2025      95.9    113      119      155      194      266      331             41.76                     2.094997
  01/02/2025     101      114      123      153      205      272      332             43.38                     1.612092
  01/03/2025     102      117      128      155      206      275      344             45.07                     1.690075
  01/04/2025     109      121      135      159      201      269      345             49.55                     4.483771
  01/05/2025     114      123      141      170      216      282      342             53.04                     3.493923
  01/06/2025     116      123      141      166      215      277      324             55.41                     2.367428
  01/07/2025     117      124      141      164      215      275      321             58.42                     3.011717
  01/08/2025     114      124      134      159      201      257      303             60.52                     2.094292
  01/09/2025     117      124      136      162      206      253      312             62.10                     1.583569
  01/10/2025     117      124      134      159      199      262      313             63.46                     1.360546
  01/11/2025     117      126      137      164      208      272      332             64.68                     1.217837
  01/12/2025     116      125      132      158      202      255      292             65.78                     1.101640
  01/13/2025     114      123      129      160      195      246      279             66.78                     0.996875
  01/14/2025     116      124      133      159      202      251      291             67.69                     0.910607
  01/15/2025     115      124      129      157      194      260      290             68.53                     0.838570
  01/16/2025     115      123      128      161      193      249      296             69.31                     0.783994
  01/17/2025     118      123      131      162      194      249      284             70.06                     0.749241
  01/18/2025     114      124      128      160      189      239      279             70.75                     0.693416
  01/19/2025     113      123      126      150      183      222      262             71.39                     0.634851
  01/20/2025     113      122      126      149      180      217      274             71.98                     0.588631
  01/21/2025     112      120      125      147      177      209      257             72.52                     0.548460
  01/22/2025     112      122      126      146      179      208      266             73.04                     0.513074
  01/23/2025     115      121      124      146      174      205      255             73.52                     0.482677
  01/24/2025     117      123      127      150      182      224      263             73.98                     0.457470
  01/25/2025     115      123      128      150      179      221      271             74.41                     0.436673
  01/26/2025     115      123      128      151      177      223      271             74.82                     0.408748
  01/27/2025     115      124      129      151      176      218      277             75.21                     0.383708
  01/28/2025     118      129      143      167      197      244      319             75.57                     0.363441
  01/29/2025     124      134      157      183      219      277      331             75.92                     0.346490
  01/30/2025     128      141      156      185      224      285      347             76.25                     0.333496
  01/31/2025     131      141      171      199      232      292      357             76.57                     0.322229
  02/01/2025     139      162      189      212      254      305      390             76.89                     0.320986
  02/02/2025     159      184      215      254      285      339      415             77.23                     0.337155
  02/03/2025     196      209      233      277      318      368      441             77.63                     0.394441
  02/04/2025     209      228      253      298      344      379      453             79.04                     1.413309
  02/05/2025     216      232      260      301      345      374      454             83.63                     4.588877
  02/06/2025     220      234      256      298      337      370      442             86.24                     2.616411
  02/07/2025     226      241      262      307      349      374      450             87.53                     1.285651
  02/08/2025     231      239      259      297      345      374      445             88.39                     0.864223
  02/09/2025     230      242      259      300      336      380      438             89.09                     0.695689
  02/10/2025     231      240      257      293      335      371      436             89.70                     0.612402
  02/11/2025     227      236      253      288      319      363      429             90.26                     0.561340
  02/12/2025     228      240      259      297      326      371      428             90.79                     0.524057
  02/13/2025     222      232      256      284      312      364      411             91.28                     0.493479
  02/14/2025     237      245      268      290      335      367      439             91.75                     0.467198
  02/15/2025     227      239      261      283      314      357      415             92.19                     0.444056
  02/16/2025     235      239      252      285      321      355      423             92.62                     0.425377
  02/17/2025     235      242      254      280      319      358      411             93.15                     0.535710
  02/18/2025     229      239      250      276      309      353      414             94.09                     0.937039
  02/19/2025     226      235      251      274      310      347      399             95.14                     1.046461
  02/20/2025     225      239      254      280      317      361      397             96.39                     1.256712
  02/21/2025     227      244      264      296      326      374      429             97.46                     1.065471
  02/22/2025     228      242      257      294      324      370      415             98.26                     0.803070
  02/23/2025     241      252      267      295      329      374      412             99.67                     1.411673
  02/24/2025     242      258      272      302      340      387      431            105.86                     6.187528
  02/25/2025     233      252      266      296      333      383      430            113.03                     7.165310
  02/26/2025     231      250      266      300      343      372      440            119.42                     6.395631
  02/27/2025     242      255      266      295      334      374      426            123.74                     4.322790
  02/28/2025     238      254      262      299      336      370      420            127.01                     3.265089
  03/01/2025    Missing  Missing  Missing  Missing  Missing  Missing  Missing         130.03                     3.021035
  03/02/2025    Missing  Missing  Missing  Missing  Missing  Missing  Missing         132.97                     2.936324
  03/03/2025     244      250      265      295      336      372      412            135.93                     2.961613
  03/04/2025     222      227      246      268      307      352      383            137.97                     2.044080
  03/05/2025     226      233      247      275      307      338      377            139.59                     1.621263
  03/06/2025     229      233      255      282      310      348      387            141.00                     1.402003
  03/07/2025     229      237      258      282      315      352      399            142.24                     1.246630
  03/08/2025     231      236      247      273      308      357      389            143.37                     1.126132
  03/09/2025     232      236      252      270      302      350      394            144.41                     1.043817
  03/10/2025     232      237      251      277      307      347      382            145.50                     1.088198
  03/11/2025     230      241      251      276      313      354      379            146.65                     1.147951
  03/12/2025     232      248      257      285      318      363      396            147.84                     1.188281
  03/13/2025     230      253      259      280      320      356      417            149.72                     1.879531
  03/14/2025     225      240      249      271      303      333      404            151.88                     2.160444
  03/15/2025     233      245      251      267      307      323      385            153.19                     1.315640
  03/16/2025     232      238      249      266      294      311      379            154.26                     1.067950
  03/17/2025     233      237      246      256      275      308      354            156.07                     1.807960
  03/18/2025     232      239      248      261      279      312      362            158.60                     2.534665
  03/19/2025     233      239      246      259      276      295      346            160.04                     1.439856
  03/20/2025     233      236      243      252      270      290      336            161.09                     1.049355
  03/21/2025     232      236      245      253      275      298      348            161.97                     0.877286
  03/22/2025     233      238      243      250      270      294      337            162.74                     0.770838
  03/23/2025     235      238      243      254      273      302      350            163.44                     0.703151
  03/24/2025     234      239      241      254      265      297      330            164.31                     0.866706
  03/25/2025     233      238      247      255      273      304      337            166.40                     2.094080
  03/26/2025     236      247      252      266      284      307      359            170.20                     3.798155
  03/27/2025     237      246      251      265      283      305      371            174.81                     4.608083
  03/28/2025     239      244      253      264      284      307      350            178.49                     3.675673
  03/29/2025     238      242      248      260      274      288      327            180.76                     2.274743
  03/30/2025     234      245      249      259      268      281      324            182.48                     1.723166
  03/31/2025     244      255      259      268      279      295      332            184.06                     1.574568
  04/01/2025     253      254      261      270      279      288      345            186.00                     1.937879
  04/02/2025     251      255      259      266      275      289      344            187.41                     1.417294
  04/03/2025     253      255      260      268      276      292      349            188.65                     1.236712
  04/04/2025     252      256      261      271      282      292      346            190.59                     1.942259
  04/05/2025     241      244      249      255      261      280      333            193.45                     2.859711
  04/06/2025     243      244      247      253      261      271      329            195.02                     1.563906
  04/07/2025     242      243      246      251      257      264      325            196.61                     1.593494
  04/08/2025     237      240      242      247      251      255      320            198.18                     1.572007
  04/09/2025     238      240      242      247      250      256      318            199.38                     1.200513
  04/10/2025     237      240      242      247      251      254      322            200.36                     0.976130
  04/11/2025     238      241      243      246      250      255      313            201.29                     0.928030
  04/12/2025     238      241      242      245      250      254      319            202.16                     0.873896
  04/13/2025     238      240      242      244      250      253      313            203.14                     0.979684
  04/14/2025     230      233      234      239      244      248      316            203.95                     0.814227
  04/15/2025     231      233      235      241      246      250      325            204.63                     0.677449
  04/16/2025     231      233      234      239      245      249      317            205.25                     0.622323
  04/17/2025     231      233      234      240      243      247      323            205.83                     0.572736
  04/18/2025     231      233      236      240      245      249      313            206.35                     0.521577
  04/19/2025     230      234      235      238      244      249      299            206.82                     0.475957
  04/20/2025     230      234      235      238      245      249      307            207.29                     0.467610
  04/21/2025     230      232      234      237      241      248      305            207.75                     0.460255
  04/22/2025     230      234      234      237      242      246      286            208.18                     0.425625
  04/23/2025     233      238      240      245      250      257      296            208.58                     0.405874
  04/24/2025     234      238      241      245      252      258      287            208.97                     0.388931
  04/25/2025     234      235      238      242      248      252      263            209.32                     0.351079
  04/26/2025     235      238      239      244      248      253      272            210.07                     0.742242
  04/27/2025     241      243      245      249      253      261      301            211.58                     1.518617
  04/28/2025     242      243      247      251      254      262      309            214.23                     2.641030
  04/29/2025     240      242      245      249      252      260      301            215.50                     1.272167
  04/30/2025     240      243      244      247      253      257      269            216.35                     0.853897
  05/01/2025     241      241      243      245      248      254      263            217.09                     0.742985
  05/02/2025     240      241      242      244      247      253      260            217.77                     0.674059
  05/03/2025     239      241      242      243      245      253      259            218.39                     0.616041
  05/04/2025     239      239      241      242      244      250      257            218.93                     0.548438
  05/05/2025     239      239      241      242      246      251      261            219.42                     0.483395
  05/06/2025     239      239      240      242      244      252      264            219.86                     0.438766
  05/07/2025     239      240      241      242      244      254      267            220.25                     0.394552
  05/08/2025     239      240      241      242      245      250      259            220.61                     0.359674
  05/09/2025     239      239      241      242      243      248      258            220.94                     0.331409
  05/10/2025     239      239      241      242      243      246      254            221.25                     0.306615
  05/11/2025     239      239      241      242      243      245      254            221.53                     0.285045
  05/12/2025     239      239      241      242      243      246      253            221.80                     0.269343
  05/13/2025     239      239      241      242      244      249      253            222.11                     0.312237
  05/14/2025     239      240      241      242      243      246      249            222.45                     0.338518
  05/15/2025     239      240      241      241      242      244      248            222.74                     0.287276
  05/16/2025     239      240      241      241      242      244      248            222.96                     0.222317
  05/17/2025     239      239      241      241      243      244      246            223.18                     0.215870
  05/18/2025     239      240      241      242      242      245      247            223.51                     0.330749
  05/19/2025     239      240      241      242      243      245      248            223.73                     0.220581
  05/20/2025     239      240      240      242      243      244      246            223.91                     0.185045
  05/21/2025     239      240      240      241      243      244      250            224.09                     0.177607
  05/22/2025     239      240      240      241      242      244      253            224.26                     0.172400
  05/23/2025     239      240      240      241      242      243      244            224.43                     0.169258
  05/24/2025     239      240      240      241      242      242      244            224.60                     0.166035
  05/25/2025     239      240      240      241      242      243      243            224.76                     0.163722
  05/26/2025     239      240      240      241      242      243      243            224.93                     0.161572
  05/27/2025     239      240      240      241      242      243      246            225.09                     0.159588
  05/28/2025     239      240      240      241      242      243      246            225.24                     0.157936
  05/29/2025     239      240      240      241      242      242      243            225.40                     0.156613
  05/30/2025     239      240      240      241      242      242      243            225.55                     0.154713
  05/31/2025     239      240      240      241      242      242      243            225.71                     0.153969
  06/01/2025     239      240      240      241      241      242      242            225.86                     0.152729
  06/02/2025     239      240      240      241      242      242      242            226.01                     0.151821
  06/03/2025     239      240      240      241      242      242      243            226.16                     0.150746
  06/04/2025     239      240      240      241      242      242      243            226.31                     0.150663
  06/05/2025     239      240      240      241      241      242      243            226.46                     0.148762
  06/06/2025     239      240      240      241      242      242      243            226.61                     0.148762
  06/07/2025     239      240      240      241      242      242      243            226.76                     0.148762
  06/08/2025     239      240      240      241      241      242      242            226.91                     0.147027
#
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Location Photographs

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast   (CAZ085)
Tonight: Partly cloudy with a 10 percent chance of thunderstorms early This Evening, then mostly clear late This Evening and overnight. Lows in the mid 50s to lower 60s. North winds 5 to 10 mph shifting to the west after midnight, then shifting to the north well after midnight.

Monday: Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s to lower 90s. Northeast winds around 5 mph shifting to the west late in the afternoon.

Monday Night: Partly cloudy. Chance of showers and slight chance of thunderstorms in the evening. Lows in the mid 50s to lower 60s. West winds 5 to 10 mph shifting to the southeast after midnight. Chance of precipitation 30 percent.

Tuesday: Sunny in the morning, then partly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s to lower 90s. East winds around 5 mph shifting to the southwest 10 to 15 mph in the late morning and afternoon.

Tuesday Night: Partly cloudy with a 20 percent chance of thunderstorms. Lows in the lower to mid 50s. West winds 10 to 15 mph decreasing to around 5 mph after midnight.

Wednesday: Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to mid 80s.

Wednesday Night through Thursday Night: Clear. Lows in the mid 40s to lower 50s. Highs in the mid 70s to mid 80s.

Friday: Sunny. Highs in the lower 70s to lower 80s.

Friday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the mid 40s to lower 50s.

Saturday through Sunday: Mostly clear. Highs in the mid 70s to lower 80s. Lows in the mid 40s to lower 50s.