Alert archive / California / River Flood Watches in 2026

River Flood Watch 3, NWS Eureka, CA

February 23, 2026Mendocino County, California

NWS Eureka, CA issued this river flood watch at Feb 23, 2026, 3:04 PM PST for Mendocino County, California. It took effect at Feb 24, 2026, 2:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 23, 2026, 3:04 PM PST (23:04 UTC)
In effect from
Feb 24, 2026, 2:00 PM PST
Expired
Feb 24, 2026, 8:10 AM PST
In force
Issued by
NWS Eureka, CA
Area
Storm-based polygon
Flood severity
None

County Mendocino County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 139 km from the middle of the area, began a volume at 23:08 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Russian River near Hopland (HOPC1). The gauge peaked at 19.08 ft at Feb 25, 2026, 5:00 AM PST.

minormoderate102002/2302/2402/25
Minor stage
15 ft
Moderate stage
23 ft
Major stage
26 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 11462500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Eureka, CA wrote its last area forecast discussion before this river flood watch went out at Feb 23, 2:55 PM PST, 9 minutes earlier.

Area forecast discussion, Feb 23, 2:55 PM PST, 9 minutes before
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The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 22, 11:47 PM PSTGale WarningEKA33 hr
Feb 22, 11:47 PM PSTSmall Craft AdvisoryEKA18 hr
Feb 23, 12:10 PM PSTCoastal Flood AdvisoryEKAHumboldt17 hr

Nearby

River Flood Watches in California, 2026Every river flood watch in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.