River Forecast - Russian and Napa
FGUS56 KRSA 042129
RVFRN
RUSSIAN AND NAPA RIVER FORECAST
NATIONAL WEATHER SERVICE / CALIFORNIA NEVADA RFC / SACRAMENTO CA
CALIFORNIA DEPARTMENT OF WATER RESOURCES / SACRAMENTO CA
128 PM PST SUN JAN 04 2026
NEXT ISSUANCE: MONDAY, JANUARY 05, 2026 AT 9AM PST
FORECASTS THROUGH: FRIDAY, JANUARY 09, 2026 AT 4AM PST
ATTENTION... THE FOLLOWING STAGES OF PARTICULAR SIGNIFICANCE
HAVE OCCURRED OR ARE FORECAST TO OCCUR:
MINOR FLOOD STAGE:
RUSSIAN RIVER - HOPLAND (HOPC1) IN 26 HRS
***********************************************************************
SPECIAL NOTES- HOPC1 expected to exceed flood stage tomorrow afternoon/
evening.
***********************************************************************
RIVER
LOCATION STAGE FLOW TIME DATE LEAD
(NWSLI) (FT) (CFS) (PT) (MM/DD/YY) TIME
-------------------- ------- -------- ---- ---------- ------
NAVARRO RIVER OBS 17.5 7,220 AT 1PM 01/04/26 (18)
NAVARRO >MI 23.0 NOT EXPECTED
(NVRC1) >MD 30.0 NOT EXPECTED
>MJ 34.0 NOT EXPECTED
MAX 22.8 11,700 AT 12AM 01/06/26 IN 35 HRS
RUSSIAN RIVER OBS 13.1 4,860 AT 1PM 01/04/26 (18)
HOPLAND >MI 15.0 BY 3PM 01/05/26 IN 26 HRS
(HOPC1) >MD 23.0 NOT EXPECTED
>MJ 26.0 NOT EXPECTED
MAX 15.6 7,250 AT 8PM 01/05/26 IN 31 HRS
RUSSIAN RIVER OBS 9.5 9,740 AT 1PM 01/04/26 (24)
HEALDSBURG >AS 20.0 NOT EXPECTED
(HEAC1) >MI 23.0 NOT EXPECTED
>MD 27.0 NOT EXPECTED
>MJ 29.0 NOT EXPECTED
MAX 14.1 19,200 AT 4AM 01/06/26 IN 39 HRS
RUSSIAN RIVER OBS 18.4 AT 1PM 01/04/26 (24)
GUERNEVILLE >AS 29.0 NOT EXPECTED
(GUEC1) >MI 32.0 NOT EXPECTED
>MD 35.0 NOT EXPECTED
>MJ 40.0 NOT EXPECTED
MAX 24.3 AT 2PM 01/06/26 IN 49 HRS
NAPA RIVER OBS 6.6 1,340 AT 1PM 01/04/26 (18)
SAINT HELENA >AS 16.0 NOT EXPECTED
(SHEC1) >MI 18.0 NOT EXPECTED
>MD 20.0 NOT EXPECTED
>MJ 22.0 NOT EXPECTED
MAX 8.1 1,960 AT 6PM 01/05/26 IN 29 HRS
NAPA RIVER OBS 11.6 2,530 AT 1PM 01/04/26 (24)
NAPA >AS 22.0 NOT EXPECTED
(APCC1) >MI 25.0 NOT EXPECTED
>MD 26.0 NOT EXPECTED
>MJ 28.0 NOT EXPECTED
MAX 13.9 3,720 AT 9PM 01/05/26 IN 32 HRS
DEFINITIONS:
OBS MOST RECENT OBSERVATION (MAY BE ESTIMATED)
AS ACTION/MONITOR STAGE
MI MINOR FLOOD STAGE
MD MODERATE FLOOD STAGE
MJ MAJOR FLOOD STAGE
MAX MAXIMUM FORECAST WITHIN PERIOD
LEAD TIME FORECASTS WITHIN THIS PERIOD (HOURS) ARE CONSIDERED
RELIABLE ENOUGH TO INITIATE PHYSICAL MITIGATION EFFORTS.
* EVENT EXCEEDS AS/MI/MD/MJ WITHIN LEAD TIME PERIOD
SIM 01/04/2026 @ 2124 UTC
NOTE: ALL TIMES IN SHEF ENCODED MESSAGES BELOW ARE UTC
.A NVRC1 20260104 Z DH21/HG 17.5
.ER NVRC1 20260104 Z DH22/DC202601042124/DUE/HGIFE/DIH01
.ER1 17.34/ 17.08/ 16.79/ 16.49/ 16.24/ 16.00/ 15.78/ 15.55/
.ER2 15.31/ 15.07/ 14.85/ 14.64/ 14.45/ 14.28/ 14.14/ 14.05/
.ER3 14.05/ 14.14/ 14.32/ 14.58/ 14.87/ 15.16/ 15.43/ 15.71/
.ER4 16.02/ 16.40/ 16.85/ 17.40/ 18.08/ 18.91/ 19.84/ 20.84/
.ER5 21.78/ 22.47/ 22.76/ 22.70/ 22.29/ 21.56/ 20.72/ 19.91/
.ER6 19.28/ 18.75/ 18.32/ 17.96/ 17.58/ 17.21/ 16.85/ 16.51/
.ER7 16.20/ 15.90/ 15.62/ 15.36/ 15.12/ 14.88/ 14.64/ 14.40/
.ER8 14.16/ 13.92/ 13.68/ 13.45/ 13.22/ 13.00/ 12.79/ 12.61/
.ER9 12.45/ 12.30/ 12.18/ 12.06/ 11.93/ 11.81/ 11.71/ 11.60/
.ER10 11.50/ 11.39/ 11.29/ 11.18/ 11.09/ 11.00/ 10.91/ 10.86/
.ER11 10.79/ 10.70/ 10.61/ 10.53/ 10.45/ 10.37/ 10.28/ 10.20/
.ER12 10.12/ 10.05/ 9.97/ 9.90/ 9.83/ 9.76/ 9.69/ 9.63/
.ER13 9.57/ 9.54/ 9.50/ 9.44/ 9.39/ 9.33/ 9.28/ 9.22/
.ER14 9.16/ 9.10/ 9.04/ 8.98/ 8.93/ 8.88/ 8.82/
.A NVRC1 20260105 Z DH15/HIIFE 1
.A HOPC1 20260104 Z DH21/HG 13.1
.ER HOPC1 20260104 Z DH22/DC202601042124/DUE/HGIFE/DIH01
.ER1 12.85/ 12.52/ 12.17/ 11.80/ 11.44/ 11.10/ 10.76/ 10.43/
.ER2 10.15/ 9.89/ 9.64/ 9.41/ 9.27/ 9.26/ 9.41/ 9.76/
.ER3 10.30/ 11.25/ 12.06/ 12.67/ 13.06/ 13.42/ 13.96/ 14.55/
.ER4 14.80/ 15.05/ 15.19/ 15.33/ 15.46/ 15.55/ 15.61/ 15.61/
.ER5 15.52/ 15.34/ 15.14/ 14.92/ 14.64/ 14.37/ 14.01/ 13.66/
.ER6 13.34/ 13.03/ 12.73/ 12.39/ 12.08/ 11.78/ 11.51/ 11.28/
.ER7 11.09/ 10.88/ 10.65/ 10.42/ 10.19/ 9.97/ 9.75/ 9.55/
.ER8 9.34/ 9.14/ 8.95/ 8.76/ 8.58/ 8.41/ 8.24/ 8.08/
.ER9 7.93/ 7.79/ 7.65/ 7.53/ 7.41/ 7.29/ 7.19/ 7.10/
.ER10 7.01/ 6.93/ 6.84/ 6.76/ 6.69/ 6.61/ 6.54/ 6.47/
.ER11 6.40/ 6.33/ 6.27/ 6.21/ 6.15/ 6.09/ 6.04/ 5.99/
.ER12 5.93/ 5.88/ 5.84/ 5.79/ 5.75/ 5.70/ 5.66/ 5.62/
.ER13 5.58/ 5.54/ 5.50/ 5.47/ 5.43/ 5.40/ 5.36/ 5.33/
.ER14 5.30/ 5.27/ 5.24/ 5.21/ 5.18/ 5.15/ 5.12/
.A HOPC1 20260105 Z DH15/HIIFE 1
.A HEAC1 20260104 Z DH21/HG 9.5
.ER HEAC1 20260104 Z DH22/DC202601042124/DUE/HGIFE/DIH01
.ER1 9.56/ 9.60/ 9.65/ 9.71/ 9.76/ 9.82/ 9.89/ 9.96/
.ER2 10.01/ 10.04/ 10.02/ 9.97/ 9.89/ 9.78/ 9.67/ 9.57/
.ER3 9.49/ 9.45/ 9.45/ 9.51/ 9.63/ 9.85/ 10.17/ 10.54/
.ER4 10.94/ 11.32/ 11.72/ 12.13/ 12.48/ 12.81/ 13.12/ 13.39/
.ER5 13.60/ 13.73/ 13.82/ 13.91/ 13.99/ 14.04/ 14.05/ 14.02/
.ER6 13.94/ 13.83/ 13.70/ 13.53/ 13.34/ 13.13/ 12.87/ 12.61/
.ER7 12.35/ 12.09/ 11.84/ 11.57/ 11.31/ 11.06/ 10.82/ 10.60/
.ER8 10.39/ 10.18/ 9.97/ 9.78/ 9.61/ 9.45/ 9.30/ 9.15/
.ER9 8.99/ 8.81/ 8.66/ 8.52/ 8.39/ 8.27/ 8.16/ 8.06/
.ER10 7.97/ 7.87/ 7.78/ 7.67/ 7.57/ 7.48/ 7.39/ 7.30/
.ER11 7.22/ 7.14/ 7.06/ 6.98/ 6.90/ 6.83/ 6.76/ 6.69/
.ER12 6.63/ 6.56/ 6.50/ 6.44/ 6.39/ 6.33/ 6.28/ 6.23/
.ER13 6.17/ 6.12/ 6.07/ 6.03/ 5.98/ 5.93/ 5.88/ 5.84/
.ER14 5.80/ 5.76/ 5.72/ 5.68/ 5.64/ 5.60/ 5.57/
.A HEAC1 20260105 Z DH21/HIIFE 1
.A GUEC1 20260104 Z DH21/HG 18.4
.ER GUEC1 20260104 Z DH22/DC202601042124/DUE/HGIFE/DIH01
.ER1 18.48/ 18.61/ 18.73/ 18.82/ 18.88/ 18.91/ 18.94/ 18.96/
.ER2 18.98/ 19.00/ 19.02/ 19.04/ 19.07/ 19.09/ 19.12/ 19.15/
.ER3 19.18/ 19.21/ 19.23/ 19.26/ 19.28/ 19.31/ 19.36/ 19.43/
.ER4 19.52/ 19.64/ 19.77/ 19.92/ 20.10/ 20.31/ 20.57/ 20.86/
.ER5 21.20/ 21.55/ 21.90/ 22.21/ 22.52/ 22.83/ 23.11/ 23.35/
.ER6 23.56/ 23.75/ 23.90/ 24.03/ 24.14/ 24.22/ 24.27/ 24.31/
.ER7 24.31/ 24.29/ 24.26/ 24.20/ 24.13/ 24.04/ 23.92/ 23.80/
.ER8 23.66/ 23.52/ 23.36/ 23.20/ 23.02/ 22.83/ 22.63/ 22.43/
.ER9 22.22/ 22.00/ 21.78/ 21.56/ 21.34/ 21.10/ 20.86/ 20.63/
.ER10 20.39/ 20.15/ 19.92/ 19.67/ 19.42/ 19.17/ 18.93/ 18.69/
.ER11 18.46/ 18.23/ 17.98/ 17.74/ 17.50/ 17.26/ 17.05/ 16.85/
.ER12 16.66/ 16.46/ 16.25/ 16.05/ 15.86/ 15.68/ 15.50/ 15.33/
.ER13 15.17/ 15.01/ 14.86/ 14.71/ 14.57/ 14.42/ 14.26/ 14.12/
.ER14 13.98/ 13.85/ 13.72/ 13.60/ 13.48/ 13.37/ 13.26/
.A GUEC1 20260105 Z DH21/HIIFE 1
.A SHEC1 20260104 Z DH21/HG 6.6
.ER SHEC1 20260104 Z DH22/DC202601042124/DUE/HGIFE/DIH01
.ER1 6.96/ 7.25/ 7.19/ 6.93/ 6.64/ 6.38/ 6.21/ 6.02/
.ER2 5.84/ 5.69/ 5.55/ 5.43/ 5.31/ 5.20/ 5.11/ 5.05/
.ER3 5.18/ 5.67/ 6.37/ 6.91/ 7.24/ 7.44/ 7.58/ 7.67/
.ER4 7.73/ 7.75/ 7.82/ 7.98/ 8.09/ 8.05/ 7.92/ 7.78/
.ER5 7.64/ 7.43/ 7.20/ 6.98/ 6.82/ 6.67/ 6.53/ 6.39/
.ER6 6.25/ 6.12/ 6.00/ 5.89/ 5.79/ 5.69/ 5.60/ 5.51/
.ER7 5.42/ 5.35/ 5.27/ 5.20/ 5.13/ 5.07/ 5.01/ 4.95/
.ER8 4.90/ 4.85/ 4.80/ 4.75/ 4.71/ 4.67/ 4.62/ 4.58/
.ER9 4.54/ 4.50/ 4.47/ 4.43/ 4.39/ 4.36/ 4.33/ 4.29/
.ER10 4.26/ 4.23/ 4.20/ 4.18/ 4.16/ 4.13/ 4.11/ 4.08/
.ER11 4.06/ 4.03/ 4.00/ 3.98/ 3.95/ 3.93/ 3.90/ 3.88/
.ER12 3.86/ 3.84/ 3.81/ 3.79/ 3.77/ 3.75/ 3.73/ 3.71/
.ER13 3.69/ 3.67/ 3.65/ 3.63/ 3.61/ 3.59/ 3.57/ 3.56/
.ER14 3.54/ 3.52/ 3.50/ 3.49/ 3.47/ 3.46/ 3.44/
.A APCC1 20260104 Z DH21/HG 11.6
.ER APCC1 20260104 Z DH22/DC202601042124/DUE/HGIFE/DIH01
.ER1 11.61/ 11.62/ 11.64/ 11.79/ 12.01/ 12.16/ 12.16/ 12.03/
.ER2 11.72/ 11.29/ 10.84/ 10.46/ 10.18/ 9.95/ 9.75/ 9.58/
.ER3 9.45/ 9.38/ 9.39/ 9.56/ 10.01/ 10.68/ 11.43/ 12.09/
.ER4 12.56/ 12.91/ 13.19/ 13.42/ 13.61/ 13.75/ 13.85/ 13.90/
.ER5 13.84/ 13.69/ 13.48/ 13.27/ 13.07/ 12.85/ 12.57/ 12.23/
.ER6 11.89/ 11.60/ 11.37/ 11.16/ 10.95/ 10.73/ 10.53/ 10.35/
.ER7 10.20/ 10.06/ 9.92/ 9.78/ 9.65/ 9.53/ 9.43/ 9.33/
.ER8 9.22/ 9.10/ 8.98/ 8.88/ 8.80/ 8.72/ 8.64/ 8.56/
.ER9 8.49/ 8.42/ 8.36/ 8.30/ 8.24/ 8.18/ 8.12/ 8.06/
.ER10 8.02/ 7.97/ 7.92/ 7.86/ 7.81/ 7.76/ 7.73/ 7.69/
.ER11 7.65/ 7.61/ 7.57/ 7.54/ 7.51/ 7.48/ 7.45/ 7.41/
.ER12 7.38/ 7.34/ 7.32/ 7.29/ 7.25/ 7.22/ 7.18/ 7.16/
.ER13 7.13/ 7.10/ 7.07/ 7.04/ 7.01/ 6.98/ 6.95/ 6.92/
.ER14 6.89/ 6.87/ 6.83/ 6.81/ 6.78/ 6.76/ 6.73/
END
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