Alert archive / California / Flood Watches
Flood Watches in California, 2026
12 flood watches in 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flood watches reaches back to 2005.
Flood Watches by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Flood Watches
- 12
- Busiest month
- February4 flood watches
- Busiest day
- January 2, 20262 flood watches
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 31, 7:48 PM PST | Flood Watch | REV | Lassen, Plumas, Sierra | 68 hr |
| Jan 2, 9:25 AM PST | Flood Watch | STO | 3 days | |
| Jan 2, 9:44 AM PST | Flood Watch | HNX | Fresno, Kern, Madera, Mariposa, Merced, Tulare | 64 hr |
| Feb 14, 12:20 PM PST | Flood Watch | LOX | Los Angeles, Santa Barbara, Ventura | 60 hr |
| Feb 17, 2:42 AM PST | Flood Watch | LOX | Los Angeles, San Luis Obispo, Santa Barbara, Ventura | 27 hr |
| Feb 22, 9:26 AM PST | Flood Watch | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 61 hr |
| Feb 23, 9:33 AM PST | Flood Watch | MFR | Siskiyou | 36 hr |
| Jul 19, 11:41 AM PDT | Flood Watch | REV | Mono | 35 hr |
| Jul 20, 12:17 PM PDT | Flood Watch | REV | Alpine, El Dorado, Mono, Nevada, Placer | 34 hr |
| Aug 11, 9:34 AM PDT | Flood Watch | REV | Mono | 59 hr |
| Aug 11, 12:58 PM PDT | Flood Watch | HNX | Kern | 2 min |
| Sep 26, 12:10 PM PDT | Flood Watch | VEF | San Bernardino | 3 days |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Mono County3
- Kern County2
- Los Angeles County2
- Santa Barbara County2
- Ventura County2
- Lassen County1
- Plumas County1
- Sierra County1
- Fresno County1
- Madera County1
- Mariposa County1
- Merced County1
- Tulare County1
- San Luis Obispo County1
- Del Norte County1
- Humboldt County1
- Lake County1
- Mendocino County1
- Trinity County1
- Siskiyou County1
- Alpine County1
- El Dorado County1
- Nevada County1
- Placer County1
- San Bernardino County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.