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

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WEST WALKER RIVER - BELOW LITTLE WALKER RIVER NEAR COLEVILLE (WWBC1)
Latitude: 38.38º NLongitude: 119.45º WElevation: 6591 FeetForecast Type: Official Location
Location: Mono County in CaliforniaBulletin Group: Eastern SierraRiver Group: Eastern Sierra
Issuance Time: Mar 06 2026 at 1:05 PM PSTNext Issuance: Mar 07 2026 at 9:00 AM PST
Action/Monitor: 5.5 FeetMinor Flood: 6.0 FeetModerate Flood: 6.8 FeetMajor Flood: 7.3 Feet


# Tabular Observed and Forecast Hydrograph Information
#
# Location: West Walker River - Blo Ltl Walker Nr Coleville (WWBC1)
#
# File Generation Time:  03/06/2026 at 01:05 PM PST
# Data Interval:  1 Hour
#
# Most Recent Date & Time of Maximum Observed:  03/01/2026 at 08:00 PM PST
# Maximum Observed Stage:                       2.68 Feet
# Maximum Observed Flow:                        422 cfs
#
# Earliest Date & Time of Maximum Forecast:     03/11/2026 at 06:00 AM PDT
# Maximum Forecast Stage:                       2.42 Feet
# Maximum Forecast Flow:                        333 cfs
#
# OBSERVED
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Observed Status
# ---------------------------------------------------------------------------------
  03/01/2026 01 PM PST            2.64            408                        Normal
  03/01/2026 02 PM PST            2.62            401         -              Normal
  03/01/2026 03 PM PST            2.63            404         +              Normal
  03/01/2026 04 PM PST            2.63            404         0              Normal
  03/01/2026 05 PM PST            2.65            411         +              Normal
  03/01/2026 06 PM PST            2.65            411         0              Normal
  03/01/2026 07 PM PST            2.66            415         +              Normal
  03/01/2026 08 PM PST            2.68            422         +              Normal
  03/01/2026 09 PM PST            2.67            419         -              Normal
  03/01/2026 10 PM PST            2.66            415         -              Normal
  03/01/2026 11 PM PST            2.65            411         -              Normal
  03/02/2026 12 AM PST            2.64            408         -              Normal
  03/02/2026 01 AM PST            2.63            404         -              Normal
  03/02/2026 02 AM PST            2.61            397         -              Normal
  03/02/2026 03 AM PST            2.60            393         -              Normal
  03/02/2026 04 AM PST            2.59            390         -              Normal
  03/02/2026 05 AM PST            2.57            383         -              Normal
  03/02/2026 06 AM PST            2.56            379         -              Normal
  03/02/2026 07 AM PST            2.55            376         -              Normal
  03/02/2026 08 AM PST            2.54            372         -              Normal
  03/02/2026 09 AM PST            2.53            369         -              Normal
  03/02/2026 10 AM PST            2.51            362         -              Normal
  03/02/2026 11 AM PST            2.49            356         -              Normal
  03/02/2026 12 PM PST            2.49            356         0              Normal
  03/02/2026 01 PM PST            2.47            349         -              Normal
  03/02/2026 02 PM PST            2.47            349         0              Normal
  03/02/2026 03 PM PST            2.46            346         -              Normal
  03/02/2026 04 PM PST            2.46            346         0              Normal
  03/02/2026 05 PM PST            2.45            342         -              Normal
  03/02/2026 06 PM PST            2.45            342         0              Normal
  03/02/2026 07 PM PST            2.45            342         0              Normal
  03/02/2026 08 PM PST            2.44            339         -              Normal
  03/02/2026 09 PM PST            2.44            339         0              Normal
  03/02/2026 10 PM PST            2.42            333         -              Normal
  03/02/2026 11 PM PST            2.42            333         0              Normal
  03/03/2026 12 AM PST            2.40            326         -              Normal
  03/03/2026 01 AM PST            2.40            326         0              Normal
  03/03/2026 02 AM PST            2.39            323         -              Normal
  03/03/2026 03 AM PST            2.38            320         -              Normal
  03/03/2026 04 AM PST            2.37            317         -              Normal
  03/03/2026 05 AM PST            2.36            314         -              Normal
  03/03/2026 06 AM PST            2.35            311         -              Normal
  03/03/2026 07 AM PST            2.34            308         -              Normal
  03/03/2026 08 AM PST            2.32            302         -              Normal
  03/03/2026 09 AM PST            2.31            299         -              Normal
  03/03/2026 10 AM PST            2.31            299         0              Normal
  03/03/2026 11 AM PST            2.30            296         -              Normal
  03/03/2026 12 PM PST            2.30            296         0              Normal
  03/03/2026 01 PM PST            2.29            293         -              Normal
  03/03/2026 02 PM PST            2.26            284         -              Normal
  03/03/2026 03 PM PST            2.26            284         0              Normal
  03/03/2026 04 PM PST            2.30            296         +              Normal
  03/03/2026 05 PM PST            2.30            296         0              Normal
  03/03/2026 06 PM PST            2.32            302         +              Normal
  03/03/2026 07 PM PST            2.33            305         +              Normal
  03/03/2026 08 PM PST            2.33            305         0              Normal
  03/03/2026 09 PM PST            2.33            305         0              Normal
  03/03/2026 10 PM PST            2.32            302         -              Normal
  03/03/2026 11 PM PST            2.31            299         -              Normal
  03/04/2026 12 AM PST            2.30            296         -              Normal
  03/04/2026 01 AM PST            2.30            296         0              Normal
  03/04/2026 02 AM PST            2.30            296         0              Normal
  03/04/2026 03 AM PST            2.28            290         -              Normal
  03/04/2026 04 AM PST            2.28            290         0              Normal
  03/04/2026 05 AM PST            2.27            287         -              Normal
  03/04/2026 06 AM PST            2.26            284         -              Normal
  03/04/2026 07 AM PST            2.26            284         0              Normal
  03/04/2026 08 AM PST            2.25            281         -              Normal
  03/04/2026 09 AM PST            2.25            281         0              Normal
  03/04/2026 10 AM PST            2.24            278         -              Normal
  03/04/2026 11 AM PST            2.24            278         0              Normal
  03/04/2026 12 PM PST            2.25            281         +              Normal
  03/04/2026 01 PM PST            2.25            281         0              Normal
  03/04/2026 02 PM PST            2.23            276         -              Normal
  03/04/2026 03 PM PST            2.21            270         -              Normal
  03/04/2026 04 PM PST            2.21            270         0              Normal
  03/04/2026 05 PM PST            2.21            270         0              Normal
  03/04/2026 06 PM PST            2.21            270         0              Normal
  03/04/2026 07 PM PST            2.21            270         0              Normal
  03/04/2026 08 PM PST            2.22            273         +              Normal
  03/04/2026 09 PM PST            2.22            273         0              Normal
  03/04/2026 10 PM PST            2.21            270         -              Normal
  03/04/2026 11 PM PST            2.21            270         0              Normal
  03/05/2026 12 AM PST            2.21            270         0              Normal
  03/05/2026 01 AM PST            2.20            267         -              Normal
  03/05/2026 02 AM PST            2.19            264         -              Normal
  03/05/2026 03 AM PST            2.19            264         0              Normal
  03/05/2026 04 AM PST            2.17            259         -              Normal
  03/05/2026 05 AM PST            2.16            256         -              Normal
  03/05/2026 06 AM PST            2.15            254         -              Normal
  03/05/2026 07 AM PST            2.13            248         -              Normal
  03/05/2026 08 AM PST            2.12            246         -              Normal
  03/05/2026 09 AM PST            2.12            246         0              Normal
  03/05/2026 10 AM PST            2.13            248         +              Normal
  03/05/2026 11 AM PST            2.14            251         +              Normal
  03/05/2026 12 PM PST            2.13            248         -              Normal
  03/05/2026 01 PM PST            2.13            248         0              Normal
  03/05/2026 02 PM PST            2.11            243         -              Normal
  03/05/2026 03 PM PST            2.10            240         -              Normal
  03/05/2026 04 PM PST            2.12            246         +              Normal
  03/05/2026 05 PM PST            2.13            248         +              Normal
  03/05/2026 06 PM PST            2.13            248         0              Normal
  03/05/2026 07 PM PST            2.15            254         +              Normal
  03/05/2026 08 PM PST            2.16            256         +              Normal
  03/05/2026 09 PM PST            2.15            254         -              Normal
  03/05/2026 10 PM PST            2.15            254         0              Normal
  03/05/2026 11 PM PST            2.14            251         -              Normal
  03/06/2026 12 AM PST            2.12            246         -              Normal
  03/06/2026 01 AM PST            2.11            243         -              Normal
  03/06/2026 02 AM PST            2.11            243         0              Normal
  03/06/2026 03 AM PST            2.10            240         -              Normal
  03/06/2026 04 AM PST            2.08            235         -              Normal
  03/06/2026 05 AM PST            2.07            233         -              Normal
  03/06/2026 06 AM PST            2.05            228         -              Normal
  03/06/2026 07 AM PST            2.04            225         -              Normal
  03/06/2026 08 AM PST            2.02            220         -              Normal
  03/06/2026 09 AM PST            2.02            220         0              Normal
  03/06/2026 10 AM PST            2.00            216         -              Normal
  03/06/2026 11 AM PST            2.01            218         +              Normal
  03/06/2026 12 PM PST            2.00            216         -              Normal
  03/06/2026 01 PM PST            2.00            216         0              Normal
#
# FORECAST
#
# Date & Time  (Local)    Stage (Feet)     Flow (cfs)     Trend     Forecast Status
# ---------------------------------------------------------------------------------
  03/06/2026 02 PM PST            2.00            216                        Normal
  03/06/2026 03 PM PST            2.00            216         0              Normal
  03/06/2026 04 PM PST            2.00            216         0              Normal
  03/06/2026 05 PM PST            2.00            216         0              Normal
  03/06/2026 06 PM PST            2.01            218         +              Normal
  03/06/2026 07 PM PST            2.01            218         0              Normal
  03/06/2026 08 PM PST            2.01            218         0              Normal
  03/06/2026 09 PM PST            2.01            218         0              Normal
  03/06/2026 10 PM PST            2.01            218         0              Normal
  03/06/2026 11 PM PST            2.01            218         0              Normal
  03/07/2026 12 AM PST            2.01            218         0              Normal
  03/07/2026 01 AM PST            2.01            218         0              Normal
  03/07/2026 02 AM PST            2.01            218         0              Normal
  03/07/2026 03 AM PST            2.00            216         -              Normal
  03/07/2026 04 AM PST            2.00            216         0              Normal
  03/07/2026 05 AM PST            2.00            216         0              Normal
  03/07/2026 06 AM PST            1.99            213         -              Normal
  03/07/2026 07 AM PST            1.99            213         0              Normal
  03/07/2026 08 AM PST            1.98            211         -              Normal
  03/07/2026 09 AM PST            1.98            211         0              Normal
  03/07/2026 10 AM PST            1.97            208         -              Normal
  03/07/2026 11 AM PST            1.97            208         0              Normal
  03/07/2026 12 PM PST            1.96            206         -              Normal
  03/07/2026 01 PM PST            1.96            206         0              Normal
  03/07/2026 02 PM PST            1.95            204         -              Normal
  03/07/2026 03 PM PST            1.95            204         0              Normal
  03/07/2026 04 PM PST            1.96            206         +              Normal
  03/07/2026 05 PM PST            1.96            206         0              Normal
  03/07/2026 06 PM PST            1.96            206         0              Normal
  03/07/2026 07 PM PST            1.97            208         +              Normal
  03/07/2026 08 PM PST            1.97            208         0              Normal
  03/07/2026 09 PM PST            1.97            208         0              Normal
  03/07/2026 10 PM PST            1.98            211         +              Normal
  03/07/2026 11 PM PST            1.98            211         0              Normal
  03/08/2026 12 AM PST            1.98            211         0              Normal
  03/08/2026 01 AM PST            1.98            211         0              Normal
  03/08/2026 03 AM PDT            1.99            213         +              Normal
  03/08/2026 04 AM PDT            1.99            213         0              Normal
  03/08/2026 05 AM PDT            1.99            213         0              Normal
  03/08/2026 06 AM PDT            1.99            213         0              Normal
  03/08/2026 07 AM PDT            1.99            213         0              Normal
  03/08/2026 08 AM PDT            1.99            213         0              Normal
  03/08/2026 09 AM PDT            1.98            211         -              Normal
  03/08/2026 10 AM PDT            1.98            211         0              Normal
  03/08/2026 11 AM PDT            1.97            208         -              Normal
  03/08/2026 12 PM PDT            1.97            208         0              Normal
  03/08/2026 01 PM PDT            1.96            206         -              Normal
  03/08/2026 02 PM PDT            1.95            204         -              Normal
  03/08/2026 03 PM PDT            1.95            204         0              Normal
  03/08/2026 04 PM PDT            1.95            204         0              Normal
  03/08/2026 05 PM PDT            1.96            206         +              Normal
  03/08/2026 06 PM PDT            1.96            206         0              Normal
  03/08/2026 07 PM PDT            1.97            208         +              Normal
  03/08/2026 08 PM PDT            1.98            211         +              Normal
  03/08/2026 09 PM PDT            2.00            216         +              Normal
  03/08/2026 10 PM PDT            2.00            216         0              Normal
  03/08/2026 11 PM PDT            2.01            218         +              Normal
  03/09/2026 12 AM PDT            2.02            220         +              Normal
  03/09/2026 01 AM PDT            2.04            225         +              Normal
  03/09/2026 02 AM PDT            2.05            228         +              Normal
  03/09/2026 03 AM PDT            2.07            233         +              Normal
  03/09/2026 04 AM PDT            2.08            235         +              Normal
  03/09/2026 05 AM PDT            2.09            238         +              Normal
  03/09/2026 06 AM PDT            2.10            240         +              Normal
  03/09/2026 07 AM PDT            2.11            243         +              Normal
  03/09/2026 08 AM PDT            2.11            243         0              Normal
  03/09/2026 09 AM PDT            2.11            243         0              Normal
  03/09/2026 10 AM PDT            2.12            246         +              Normal
  03/09/2026 11 AM PDT            2.12            246         0              Normal
  03/09/2026 12 PM PDT            2.12            246         0              Normal
  03/09/2026 01 PM PDT            2.11            243         -              Normal
  03/09/2026 02 PM PDT            2.10            240         -              Normal
  03/09/2026 03 PM PDT            2.10            240         0              Normal
  03/09/2026 04 PM PDT            2.11            243         +              Normal
  03/09/2026 05 PM PDT            2.12            246         +              Normal
  03/09/2026 06 PM PDT            2.13            248         +              Normal
  03/09/2026 07 PM PDT            2.15            254         +              Normal
  03/09/2026 08 PM PDT            2.17            259         +              Normal
  03/09/2026 09 PM PDT            2.19            264         +              Normal
  03/09/2026 10 PM PDT            2.20            267         +              Normal
  03/09/2026 11 PM PDT            2.22            273         +              Normal
  03/10/2026 12 AM PDT            2.23            276         +              Normal
  03/10/2026 01 AM PDT            2.25            281         +              Normal
  03/10/2026 02 AM PDT            2.26            284         +              Normal
  03/10/2026 03 AM PDT            2.27            287         +              Normal
  03/10/2026 04 AM PDT            2.28            290         +              Normal
  03/10/2026 05 AM PDT            2.29            293         +              Normal
  03/10/2026 06 AM PDT            2.30            296         +              Normal
  03/10/2026 07 AM PDT            2.30            296         0              Normal
  03/10/2026 08 AM PDT            2.30            296         0              Normal
  03/10/2026 09 AM PDT            2.29            293         -              Normal
  03/10/2026 10 AM PDT            2.28            290         -              Normal
  03/10/2026 11 AM PDT            2.28            290         0              Normal
  03/10/2026 12 PM PDT            2.27            287         -              Normal
  03/10/2026 01 PM PDT            2.25            281         -              Normal
  03/10/2026 02 PM PDT            2.23            276         -              Normal
  03/10/2026 03 PM PDT            2.23            276         0              Normal
  03/10/2026 04 PM PDT            2.23            276         0              Normal
  03/10/2026 05 PM PDT            2.24            278         +              Normal
  03/10/2026 06 PM PDT            2.24            278         0              Normal
  03/10/2026 07 PM PDT            2.26            284         +              Normal
  03/10/2026 08 PM PDT            2.28            290         +              Normal
  03/10/2026 09 PM PDT            2.30            296         +              Normal
  03/10/2026 10 PM PDT            2.31            299         +              Normal
  03/10/2026 11 PM PDT            2.32            302         +              Normal
  03/11/2026 12 AM PDT            2.33            305         +              Normal
  03/11/2026 01 AM PDT            2.35            311         +              Normal
  03/11/2026 02 AM PDT            2.37            317         +              Normal
  03/11/2026 03 AM PDT            2.39            323         +              Normal
  03/11/2026 04 AM PDT            2.40            326         +              Normal
  03/11/2026 05 AM PDT            2.41            330         +              Normal
  03/11/2026 06 AM PDT            2.42            333         +              Normal
#
# 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.