Alert archive / California / Winter Storm Warnings
Winter Storm Warnings in California, 2026
22 winter storm warnings 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Winter Storm Warnings
- 22
- Busiest month
- February11 winter storm warnings
- Busiest day
- February 14, 20266 winter storm warnings
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 |
|---|---|---|---|---|
| Jan 1, 12:16 PM PST | Winter Storm Warning | REV | Alpine, El Dorado, Mono, Nevada, Placer | 4 days |
| Jan 1, 1:14 PM PST | Winter Storm Warning | STO | 4 days | |
| Jan 1, 2:25 PM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 3 days |
| Jan 2, 11:43 AM PST | Winter Storm Warning | MFR | Siskiyou | 3 days |
| Jan 2, 12:34 PM PST | Winter Storm Warning | VEF | Inyo | 63 hr |
| Jan 2, 11:45 PM PST | Winter Storm Warning | EKA | 64 hr | |
| Feb 9, 12:19 PM PST | Winter Storm Warning | HNX | Fresno, Madera, Mariposa, Tuolumne | 52 hr |
| Feb 14, 10:44 AM PST | Winter Storm Warning | STO | 5 days | |
| Feb 14, 11:47 AM PST | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 6 days |
| Feb 14, 11:51 AM PST | Winter Storm Warning | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 4 days |
| Feb 14, 12:28 PM PST | Winter Storm Warning | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 5 days |
| Feb 14, 12:37 PM PST | Winter Storm Warning | VEF | Inyo | 4 days |
| Feb 14, 1:08 PM PST | Winter Storm Warning | MFR | Siskiyou | 5 days |
| Feb 15, 8:59 AM PST | Winter Storm Warning | LOX | Los Angeles, Santa Barbara, Ventura | 5 days |
| Feb 15, 9:57 AM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 5 days |
| Feb 20, 11:11 AM PST | Winter Storm Warning | EKA | 52 hr | |
| Feb 20, 11:47 AM PST | Winter Storm Warning | MFR | Siskiyou | 25 hr |
| Apr 9, 10:52 AM PDT | Winter Storm Warning | HNX | Fresno, Kern, Madera, Mariposa, Tulare, Tuolumne | 4 days |
| Apr 9, 11:46 AM PDT | Winter Storm Warning | STO | 3 days | |
| Apr 10, 8:21 AM PDT | Winter Storm Warning | REV | Alpine, El Dorado, Mono, Nevada, Placer | 63 hr |
| Apr 20, 8:56 AM PDT | Winter Storm Warning | STO | Alpine, Amador, Butte, Calaveras, El Dorado, Lassen and 7 more | 51 hr |
| Apr 20, 9:10 AM PDT | Winter Storm Warning | HNX | Fresno, Madera, Mariposa, Tulare, Tuolumne | 48 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Tuolumne County6
- Fresno County5
- Madera County5
- Mariposa County5
- Alpine County4
- El Dorado County4
- Nevada County4
- Placer County4
- Tulare County4
- Mono County3
- Kern County3
- Siskiyou County3
- Inyo County2
- Lassen County2
- Plumas County2
- Sierra County2
- Del Norte County1
- Humboldt County1
- Lake County1
- Mendocino County1
- Trinity County1
- Los Angeles County1
- Santa Barbara County1
- Ventura County1
- Riverside County1
- San Bernardino County1
- Amador County1
- Butte County1
- Calaveras County1
- Shasta County1
- Tehama 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.