River Forecast
Issued by NWS
Issued by NWS
Versions:
1
965
FGUS56 KRSA 301423
RVFRN
RUSSIAN AND NAPA RIVER FORECAST
NATIONAL WEATHER SERVICE / CALIFORNIA-NEVADA RFC / SACRAMENTO CA
CALIFORNIA DEPARTMENT OF WATER RESOURCES / SACRAMENTO CA
723 AM PDT WED SEP 30 2026
NEXT ISSUANCE: THURSDAY, OCTOBER 01, 2026 AT 9AM PDT
FORECASTS THROUGH: MONDAY, OCTOBER 05, 2026 AT 5AM PDT
ALL LOCATIONS ARE EXPECTED TO REMAIN BELOW CRITICAL LEVELS
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SPECIAL NOTES-
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RIVER
LOCATION STAGE FLOW TIME DATE LEAD
(NWSLI) (FT) (CFS) (PT) (MM/DD/YY) TIME
-------------------- ------- -------- ---- ---------- ------
NAVARRO RIVER OBS 1.1 4 AT 7AM 09/30/26 (18)
NAVARRO >MI 23.0 NOT EXPECTED
(NVRC1) >MD 30.0 NOT EXPECTED
>MJ 34.0 NOT EXPECTED
MAX 1.1 4 AT CURRENT TIME
RUSSIAN RIVER OBS 0.8 141 AT 7AM 09/30/26 (18)
HOPLAND >MI 15.0 NOT EXPECTED
(HOPC1) >MD 23.0 NOT EXPECTED
>MJ 26.0 NOT EXPECTED
MAX 0.9 151 AT 6PM 10/04/26 IN 107 HRS
RUSSIAN RIVER OBS -0.3 91 AT 7AM 09/30/26 (24)
HEALDSBURG >AS 20.0 NOT EXPECTED
(HEAC1) >MI 23.0 NOT EXPECTED
>MD 27.0 NOT EXPECTED
>MJ 29.0 NOT EXPECTED
MAX -0.2 0 AT 3AM 10/05/26 IN 116 HRS
RUSSIAN RIVER OBS 5.6 AT 7AM 09/30/26 (24)
GUERNEVILLE >AS 29.0 NOT EXPECTED
(GUEC1) >MI 32.0 NOT EXPECTED
>MD 35.0 NOT EXPECTED
>MJ 40.0 NOT EXPECTED
MAX 5.6 AT CURRENT TIME
NAPA RIVER OBS 1.1 0 AT 7AM 09/30/26 (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 1.1 0 AT CURRENT TIME
NAPA RIVER OBS 2.1 0 AT 7AM 09/30/26 (24)
NAPA >AS 22.0 NOT EXPECTED
(APCC1) >MI 25.0 NOT EXPECTED
>MD 26.0 NOT EXPECTED
>MJ 28.0 NOT EXPECTED
MAX 2.1 0 AT CURRENT TIME
DEFINITIONS:
OBS MOST RECENT OBSERVATION (MAY BE ESTIMATED)
AS ACTION 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 09/30/2026 @ 1415 UTC
NOTE: ALL TIMES IN SHEF ENCODED MESSAGES BELOW ARE UTC
.A NVRC1 20260930 Z DH14/HG 1.1
.ER NVRC1 20260930 Z DH15/DC202609301415/DUE/HGIFE/DIH01
.ER1 1.11/ 1.11/ 1.11/ 1.11/ 1.11/ 1.11/ 1.11/ 1.11/
.ER2 1.11/ 1.11/ 1.11/ 1.11/ 1.11/ 1.11/ 1.11/ 1.11/
.ER3 1.11/ 1.11/ 1.11/ 1.11/ 1.11/ 1.11/ 1.11/ 1.11/
.ER4 1.11/ 1.11/ 1.11/ 1.11/ 1.11/ 1.11/ 1.10/ 1.10/
.ER5 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/
.ER6 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/
.ER7 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/
.ER8 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/
.ER9 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/
.ER10 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/
.ER11 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/
.ER12 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.10/ 1.09/
.ER13 1.09/ 1.09/ 1.09/ 1.09/ 1.09/ 1.09/ 1.09/ 1.09/
.ER14 1.09/ 1.09/ 1.09/ 1.09/ 1.09/ 1.09/ 1.09/ 1.09/
.ER15 1.09/ 1.09/ 1.09/ 1.09/ 1.09/ 1.09/
.A HOPC1 20260930 Z DH14/HG 0.8
.ER HOPC1 20260930 Z DH15/DC202609301415/DUE/HGIFE/DIH01
.ER1 0.85/ 0.86/ 0.86/ 0.87/ 0.87/ 0.87/ 0.88/ 0.88/
.ER2 0.88/ 0.88/ 0.88/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER3 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER4 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER5 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER6 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER7 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER8 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER9 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER10 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER11 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER12 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER13 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER14 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.ER15 0.89/ 0.89/ 0.89/ 0.89/ 0.89/ 0.89/
.A HEAC1 20260930 Z DH14/HG -0.3
.ER HEAC1 20260930 Z DH15/DC202609301415/DUE/HGIFE/DIH01
.ER1 -0.33/ -0.33/ -0.33/ -0.33/ -0.34/ -0.34/ -0.34/ -0.34/
.ER2 -0.33/ -0.33/ -0.33/ -0.32/ -0.32/ -0.32/ -0.31/ -0.30/
.ER3 -0.30/ -0.29/ -0.29/ -0.28/ -0.27/ -0.27/ -0.26/ -0.25/
.ER4 -0.24/ -0.24/ -0.23/ -0.23/ -0.22/ -0.22/ -0.21/ -0.21/
.ER5 -0.20/ -0.20/ -0.20/ -0.19/ -0.19/ -0.19/ -0.19/ -0.18/
.ER6 -0.18/ -0.18/ -0.18/ -0.18/ -0.18/ -0.18/ -0.18/ -0.18/
.ER7 -0.18/ -0.18/ -0.18/ -0.18/ -0.17/ -0.17/ -0.17/ -0.17/
.ER8 -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/
.ER9 -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/
.ER10 -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/
.ER11 -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/
.ER12 -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/
.ER13 -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/
.ER14 -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/ -0.17/
.ER15 -0.17/ -0.17/ -0.17/ -0.16/ -0.16/ -0.16/
.A HEAC1 20261001 Z DH14/HIIFE 1
.A GUEC1 20260930 Z DH14/HG 5.6
.ER GUEC1 20260930 Z DH15/DC202609301415/DUE/HGIFE/DIH01
.ER1 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER2 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER3 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER4 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER5 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER6 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER7 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER8 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER9 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER10 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER11 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER12 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER13 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER14 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.ER15 5.60/ 5.60/ 5.60/ 5.60/ 5.60/ 5.60/
.A SHEC1 20260930 Z DH14/HG 1.1
.ER SHEC1 20260930 Z DH15/DC202609301415/DUE/HGIFE/DIH01
.ER1 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER2 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER3 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER4 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER5 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER6 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER7 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER8 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER9 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER10 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER11 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER12 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER13 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER14 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.ER15 1.08/ 1.08/ 1.08/ 1.08/ 1.08/ 1.08/
.A APCC1 20260930 Z DH14/HG 2.1
.ER APCC1 20260930 Z DH15/DC202609301415/DUE/HGIFE/DIH01
.ER1 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER2 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER3 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER4 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER5 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER6 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER7 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER8 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER9 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER10 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER11 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER12 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER13 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER14 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
.ER15 2.07/ 2.07/ 2.07/ 2.07/ 2.07/ 2.07/
END