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

 | 

COTTONWOOD CREEK - COTTONWOOD (CWAC1)
Latitude: 40.39º NLongitude: 122.24º WElevation: 364 Feet
Location: Tehama County in CaliforniaBulletin Group: Upper SacramentoRiver Group: Upper Sacramento
Issuance Time: Jan 20 2026 at 1:37 PM PSTNext Issuance: Jan 21 2026 at 9:00 AM PST
Action/Monitor: N/A Minor Flood: N/A Moderate Flood: N/A Major Flood: N/A


# Tabular Observed and Forecast Hydrograph Information
#
# Location: Cottonwood Creek - Cottonwood (CWAC1)
#
# File Generation Time:  01/20/2026 at 01:39 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  01/15/2026 at 01:00 PM PST
# Maximum Observed Stage:                       5.65 Feet
# Maximum Observed Flow:                        1547 cfs
#
# Earliest Date & Time of Maximum Forecast:     01/20/2026 at 02:00 PM PST
# Maximum Forecast Stage:                       4.75 Feet
# Maximum Forecast Flow:                        1023 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  01/15/2026 01 PM PST            5.65           1547                Not Applicable
  01/15/2026 02 PM PST            5.64           1541         -      Not Applicable
  01/15/2026 03 PM PST            5.63           1534         -      Not Applicable
  01/15/2026 04 PM PST            5.64           1541         +      Not Applicable
  01/15/2026 05 PM PST            5.61           1522         -      Not Applicable
  01/15/2026 06 PM PST            5.63           1534         +      Not Applicable
  01/15/2026 07 PM PST            5.58           1503         -      Not Applicable
  01/15/2026 08 PM PST            5.57           1496         -      Not Applicable
  01/15/2026 09 PM PST            5.59           1509         +      Not Applicable
  01/15/2026 10 PM PST            5.59           1509         0      Not Applicable
  01/15/2026 11 PM PST            5.55           1484         -      Not Applicable
  01/16/2026 12 AM PST            5.53           1471         -      Not Applicable
  01/16/2026 01 AM PST            5.43           1410         -      Not Applicable
  01/16/2026 02 AM PST            5.44           1416         +      Not Applicable
  01/16/2026 03 AM PST            5.39           1385         -      Not Applicable
  01/16/2026 04 AM PST            5.33           1349         -      Not Applicable
  01/16/2026 05 AM PST            5.32           1343         -      Not Applicable
  01/16/2026 06 AM PST            5.40           1391         +      Not Applicable
  01/16/2026 07 AM PST            5.37           1373         -      Not Applicable
  01/16/2026 08 AM PST            5.29           1325         -      Not Applicable
  01/16/2026 09 AM PST            5.33           1349         +      Not Applicable
  01/16/2026 10 AM PST            5.32           1343         -      Not Applicable
  01/16/2026 11 AM PST            5.28           1319         -      Not Applicable
  01/16/2026 12 PM PST            5.30           1331         +      Not Applicable
  01/16/2026 01 PM PST            5.29           1325         -      Not Applicable
  01/16/2026 02 PM PST            5.27           1313         -      Not Applicable
  01/16/2026 03 PM PST            5.29           1325         +      Not Applicable
  01/16/2026 04 PM PST            5.27           1313         -      Not Applicable
  01/16/2026 05 PM PST            5.22           1284         -      Not Applicable
  01/16/2026 06 PM PST            5.27           1313         +      Not Applicable
  01/16/2026 07 PM PST            5.20           1272         -      Not Applicable
  01/16/2026 08 PM PST            5.23           1290         +      Not Applicable
  01/16/2026 09 PM PST            5.19           1267         -      Not Applicable
  01/16/2026 10 PM PST            5.21           1278         +      Not Applicable
  01/16/2026 11 PM PST            5.23           1290         +      Not Applicable
  01/17/2026 12 AM PST            5.21           1278         -      Not Applicable
  01/17/2026 01 AM PST            5.19           1267         -      Not Applicable
  01/17/2026 02 AM PST            5.18           1261         -      Not Applicable
  01/17/2026 03 AM PST            5.18           1261         0      Not Applicable
  01/17/2026 04 AM PST            5.18           1261         0      Not Applicable
  01/17/2026 05 AM PST            5.12           1226         -      Not Applicable
  01/17/2026 06 AM PST            5.13           1232         +      Not Applicable
  01/17/2026 07 AM PST            5.12           1226         -      Not Applicable
  01/17/2026 08 AM PST            5.10           1215         -      Not Applicable
  01/17/2026 09 AM PST            5.17           1255         +      Not Applicable
  01/17/2026 10 AM PST            5.14           1238         -      Not Applicable
  01/17/2026 11 AM PST            5.14           1238         0      Not Applicable
  01/17/2026 12 PM PST            5.12           1226         -      Not Applicable
  01/17/2026 01 PM PST            5.12           1226         0      Not Applicable
  01/17/2026 02 PM PST            5.11           1220         -      Not Applicable
  01/17/2026 03 PM PST            5.13           1232         +      Not Applicable
  01/17/2026 04 PM PST            5.13           1232         0      Not Applicable
  01/17/2026 05 PM PST            5.09           1209         -      Not Applicable
  01/17/2026 06 PM PST            5.09           1209         0      Not Applicable
  01/17/2026 07 PM PST            5.07           1198         -      Not Applicable
  01/17/2026 08 PM PST            5.10           1215         +      Not Applicable
  01/17/2026 09 PM PST            5.09           1209         -      Not Applicable
  01/17/2026 10 PM PST            5.06           1192         -      Not Applicable
  01/17/2026 11 PM PST            5.02           1170         -      Not Applicable
  01/18/2026 12 AM PST            5.06           1192         +      Not Applicable
  01/18/2026 01 AM PST            5.04           1181         -      Not Applicable
  01/18/2026 02 AM PST            5.02           1170         -      Not Applicable
  01/18/2026 03 AM PST            5.04           1181         +      Not Applicable
  01/18/2026 04 AM PST            5.03           1175         -      Not Applicable
  01/18/2026 05 AM PST            5.01           1164         -      Not Applicable
  01/18/2026 06 AM PST            5.00           1159         -      Not Applicable
  01/18/2026 07 AM PST            5.00           1159         0      Not Applicable
  01/18/2026 08 AM PST            5.00           1159         0      Not Applicable
  01/18/2026 09 AM PST            5.01           1164         +      Not Applicable
  01/18/2026 10 AM PST            4.99           1153         -      Not Applicable
  01/18/2026 11 AM PST            4.99           1153         0      Not Applicable
  01/18/2026 12 PM PST            4.98           1147         -      Not Applicable
  01/18/2026 01 PM PST            4.96           1136         -      Not Applicable
  01/18/2026 02 PM PST            4.95           1131         -      Not Applicable
  01/18/2026 03 PM PST            4.98           1147         +      Not Applicable
  01/18/2026 04 PM PST            4.95           1131         -      Not Applicable
  01/18/2026 05 PM PST            4.92           1114         -      Not Applicable
  01/18/2026 06 PM PST            4.96           1136         +      Not Applicable
  01/18/2026 07 PM PST            4.95           1131         -      Not Applicable
  01/18/2026 08 PM PST            4.92           1114         -      Not Applicable
  01/18/2026 09 PM PST            4.94           1125         +      Not Applicable
  01/18/2026 10 PM PST            4.91           1109         -      Not Applicable
  01/18/2026 11 PM PST            4.97           1142         +      Not Applicable
  01/19/2026 12 AM PST            4.92           1114         -      Not Applicable
  01/19/2026 01 AM PST            4.92           1114         0      Not Applicable
  01/19/2026 02 AM PST            4.90           1104         -      Not Applicable
  01/19/2026 03 AM PST            4.88           1093         -      Not Applicable
  01/19/2026 04 AM PST            4.88           1093         0      Not Applicable
  01/19/2026 05 AM PST            4.91           1109         +      Not Applicable
  01/19/2026 06 AM PST            4.87           1087         -      Not Applicable
  01/19/2026 07 AM PST            4.90           1104         +      Not Applicable
  01/19/2026 08 AM PST            4.92           1114         +      Not Applicable
  01/19/2026 09 AM PST            4.91           1109         -      Not Applicable
  01/19/2026 10 AM PST            4.85           1077         -      Not Applicable
  01/19/2026 11 AM PST            4.86           1082         +      Not Applicable
  01/19/2026 12 PM PST            4.89           1098         +      Not Applicable
  01/19/2026 01 PM PST            4.84           1071         -      Not Applicable
  01/19/2026 02 PM PST            4.83           1066         -      Not Applicable
  01/19/2026 03 PM PST            4.84           1071         +      Not Applicable
  01/19/2026 04 PM PST            4.84           1071         0      Not Applicable
  01/19/2026 05 PM PST            4.86           1082         +      Not Applicable
  01/19/2026 06 PM PST            4.87           1087         +      Not Applicable
  01/19/2026 07 PM PST            4.83           1066         -      Not Applicable
  01/19/2026 08 PM PST            4.78           1039         -      Not Applicable
  01/19/2026 09 PM PST            4.80           1050         +      Not Applicable
  01/19/2026 10 PM PST            4.79           1045         -      Not Applicable
  01/19/2026 11 PM PST            4.81           1055         +      Not Applicable
  01/20/2026 12 AM PST            4.78           1039         -      Not Applicable
  01/20/2026 01 AM PST            4.79           1045         +      Not Applicable
  01/20/2026 02 AM PST            4.78           1039         -      Not Applicable
  01/20/2026 03 AM PST            4.80           1050         +      Not Applicable
  01/20/2026 04 AM PST            4.77           1034         -      Not Applicable
  01/20/2026 05 AM PST            4.76           1029         -      Not Applicable
  01/20/2026 06 AM PST            4.77           1034         +      Not Applicable
  01/20/2026 07 AM PST            4.76           1029         -      Not Applicable
  01/20/2026 08 AM PST            4.75           1023         -      Not Applicable
  01/20/2026 09 AM PST            4.76           1029         +      Not Applicable
  01/20/2026 10 AM PST            4.69            992         -      Not Applicable
  01/20/2026 11 AM PST            4.74           1018         +      Not Applicable
  01/20/2026 12 PM PST            4.76           1029         +      Not Applicable
  01/20/2026 01 PM PST            4.76           1029         0      Not Applicable
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  01/20/2026 02 PM PST            4.75           1023                Not Applicable
  01/20/2026 03 PM PST            4.75           1023         0      Not Applicable
  01/20/2026 04 PM PST            4.75           1023         0      Not Applicable
  01/20/2026 05 PM PST            4.74           1018         -      Not Applicable
  01/20/2026 06 PM PST            4.74           1018         0      Not Applicable
  01/20/2026 07 PM PST            4.74           1018         0      Not Applicable
  01/20/2026 08 PM PST            4.73           1013         -      Not Applicable
  01/20/2026 09 PM PST            4.73           1013         0      Not Applicable
  01/20/2026 10 PM PST            4.72           1008         -      Not Applicable
  01/20/2026 11 PM PST            4.72           1008         0      Not Applicable
  01/21/2026 12 AM PST            4.72           1008         0      Not Applicable
  01/21/2026 01 AM PST            4.71           1003         -      Not Applicable
  01/21/2026 02 AM PST            4.71           1003         0      Not Applicable
  01/21/2026 03 AM PST            4.71           1003         0      Not Applicable
  01/21/2026 04 AM PST            4.70            997         -      Not Applicable
  01/21/2026 05 AM PST            4.70            997         0      Not Applicable
  01/21/2026 06 AM PST            4.70            997         0      Not Applicable
  01/21/2026 07 AM PST            4.70            997         0      Not Applicable
  01/21/2026 08 AM PST            4.69            992         -      Not Applicable
  01/21/2026 09 AM PST            4.69            992         0      Not Applicable
  01/21/2026 10 AM PST            4.69            992         0      Not Applicable
  01/21/2026 11 AM PST            4.68            987         -      Not Applicable
  01/21/2026 12 PM PST            4.68            987         0      Not Applicable
  01/21/2026 01 PM PST            4.68            987         0      Not Applicable
  01/21/2026 02 PM PST            4.68            987         0      Not Applicable
  01/21/2026 03 PM PST            4.67            982         -      Not Applicable
  01/21/2026 04 PM PST            4.67            982         0      Not Applicable
  01/21/2026 05 PM PST            4.67            982         0      Not Applicable
  01/21/2026 06 PM PST            4.67            982         0      Not Applicable
  01/21/2026 07 PM PST            4.66            977         -      Not Applicable
  01/21/2026 08 PM PST            4.66            977         0      Not Applicable
  01/21/2026 09 PM PST            4.66            977         0      Not Applicable
  01/21/2026 10 PM PST            4.66            977         0      Not Applicable
  01/21/2026 11 PM PST            4.65            972         -      Not Applicable
  01/22/2026 12 AM PST            4.65            972         0      Not Applicable
  01/22/2026 01 AM PST            4.65            972         0      Not Applicable
  01/22/2026 02 AM PST            4.64            967         -      Not Applicable
  01/22/2026 03 AM PST            4.64            967         0      Not Applicable
  01/22/2026 04 AM PST            4.64            967         0      Not Applicable
  01/22/2026 05 AM PST            4.64            967         0      Not Applicable
  01/22/2026 06 AM PST            4.63            961         -      Not Applicable
  01/22/2026 07 AM PST            4.63            961         0      Not Applicable
  01/22/2026 08 AM PST            4.63            961         0      Not Applicable
  01/22/2026 09 AM PST            4.62            956         -      Not Applicable
  01/22/2026 10 AM PST            4.62            956         0      Not Applicable
  01/22/2026 11 AM PST            4.62            956         0      Not Applicable
  01/22/2026 12 PM PST            4.62            956         0      Not Applicable
  01/22/2026 01 PM PST            4.61            951         -      Not Applicable
  01/22/2026 02 PM PST            4.61            951         0      Not Applicable
  01/22/2026 03 PM PST            4.61            951         0      Not Applicable
  01/22/2026 04 PM PST            4.61            951         0      Not Applicable
  01/22/2026 05 PM PST            4.60            946         -      Not Applicable
  01/22/2026 06 PM PST            4.60            946         0      Not Applicable
  01/22/2026 07 PM PST            4.60            946         0      Not Applicable
  01/22/2026 08 PM PST            4.59            941         -      Not Applicable
  01/22/2026 09 PM PST            4.59            941         0      Not Applicable
  01/22/2026 10 PM PST            4.59            941         0      Not Applicable
  01/22/2026 11 PM PST            4.59            941         0      Not Applicable
  01/23/2026 12 AM PST            4.58            936         -      Not Applicable
  01/23/2026 01 AM PST            4.58            936         0      Not Applicable
  01/23/2026 02 AM PST            4.58            936         0      Not Applicable
  01/23/2026 03 AM PST            4.58            936         0      Not Applicable
  01/23/2026 04 AM PST            4.58            936         0      Not Applicable
  01/23/2026 05 AM PST            4.57            931         -      Not Applicable
  01/23/2026 06 AM PST            4.57            931         0      Not Applicable
  01/23/2026 07 AM PST            4.57            931         0      Not Applicable
  01/23/2026 08 AM PST            4.57            931         0      Not Applicable
  01/23/2026 09 AM PST            4.56            926         -      Not Applicable
  01/23/2026 10 AM PST            4.56            926         0      Not Applicable
  01/23/2026 11 AM PST            4.56            926         0      Not Applicable
  01/23/2026 12 PM PST            4.55            921         -      Not Applicable
  01/23/2026 01 PM PST            4.55            921         0      Not Applicable
  01/23/2026 02 PM PST            4.55            921         0      Not Applicable
  01/23/2026 03 PM PST            4.55            921         0      Not Applicable
  01/23/2026 04 PM PST            4.54            916         -      Not Applicable
  01/23/2026 05 PM PST            4.54            916         0      Not Applicable
  01/23/2026 06 PM PST            4.54            916         0      Not Applicable
  01/23/2026 07 PM PST            4.54            916         0      Not Applicable
  01/23/2026 08 PM PST            4.53            911         -      Not Applicable
  01/23/2026 09 PM PST            4.53            911         0      Not Applicable
  01/23/2026 10 PM PST            4.53            911         0      Not Applicable
  01/23/2026 11 PM PST            4.52            906         -      Not Applicable
  01/24/2026 12 AM PST            4.52            906         0      Not Applicable
  01/24/2026 01 AM PST            4.52            906         0      Not Applicable
  01/24/2026 02 AM PST            4.52            906         0      Not Applicable
  01/24/2026 03 AM PST            4.51            901         -      Not Applicable
  01/24/2026 04 AM PST            4.51            901         0      Not Applicable
  01/24/2026 05 AM PST            4.51            901         0      Not Applicable
  01/24/2026 06 AM PST            4.51            901         0      Not Applicable
  01/24/2026 07 AM PST            4.50            896         -      Not Applicable
  01/24/2026 08 AM PST            4.50            896         0      Not Applicable
  01/24/2026 09 AM PST            4.50            896         0      Not Applicable
  01/24/2026 10 AM PST            4.50            896         0      Not Applicable
  01/24/2026 11 AM PST            4.49            891         -      Not Applicable
  01/24/2026 12 PM PST            4.49            891         0      Not Applicable
  01/24/2026 01 PM PST            4.49            891         0      Not Applicable
  01/24/2026 02 PM PST            4.48            887         -      Not Applicable
  01/24/2026 03 PM PST            4.48            887         0      Not Applicable
  01/24/2026 04 PM PST            4.48            887         0      Not Applicable
  01/24/2026 05 PM PST            4.48            887         0      Not Applicable
  01/24/2026 06 PM PST            4.47            882         -      Not Applicable
  01/24/2026 07 PM PST            4.47            882         0      Not Applicable
  01/24/2026 08 PM PST            4.47            882         0      Not Applicable
  01/24/2026 09 PM PST            4.46            877         -      Not Applicable
  01/24/2026 10 PM PST            4.46            877         0      Not Applicable
  01/24/2026 11 PM PST            4.46            877         0      Not Applicable
  01/25/2026 12 AM PST            4.46            877         0      Not Applicable
  01/25/2026 01 AM PST            4.45            872         -      Not Applicable
  01/25/2026 02 AM PST            4.45            872         0      Not Applicable
  01/25/2026 03 AM PST            4.45            872         0      Not Applicable
  01/25/2026 04 AM PST            4.45            872         0      Not Applicable
#
# NOTE 1: Stages are rounded to the nearest hundredth (.01) of a foot.
# NOTE 2: Flows are rounded to the nearest (1) cfs.
# NOTE 3: Trends are determined using hourly change in unrounded stage and flow.
# NOTE 4: Maximum Values are determined using unrounded stage and flow.