Alert archive / California / Freeze Warnings
Freeze Warnings in California, 2026
21 freeze 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Freeze Warnings
- 21
- Busiest month
- April8 freeze warnings
- Busiest day
- April 16, 20264 freeze 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 8, 11:24 AM PST | Freeze Warning | PSR | San Bernardino | 21 hr |
| Jan 8, 11:24 AM PST | Freeze Warning | PSR | Imperial, Riverside, San Bernardino | 44 hr |
| Jan 8, 12:29 PM PST | Freeze Warning | LOX | Los Angeles, Santa Barbara, Ventura | 21 hr |
| Jan 9, 1:35 AM PST | Freeze Warning | VEF | San Bernardino | 30 hr |
| Jan 9, 4:24 AM PST | Freeze Warning | HNX | Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more | 30 hr |
| Jan 11, 4:35 AM PST | Freeze Warning | HNX | Fresno, Kern, Kings, Madera, Merced, Tulare | 4 hr |
| Jan 12, 5:45 AM PST | Freeze Warning | HNX | Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more | 4 hr |
| Feb 19, 12:16 PM PST | Freeze Warning | STO | 21 hr | |
| Feb 19, 8:49 PM PST | Freeze Warning | HNX | Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more | 36 hr |
| Feb 20, 3:11 AM PST | Freeze Warning | LOX | Santa Barbara | 5 hr |
| Feb 20, 8:01 PM PST | Freeze Warning | LOX | Los Angeles, Santa Barbara | 13 hr |
| Apr 1, 8:29 PM PDT | Freeze Warning | MFR | Siskiyou | 37 hr |
| Apr 15, 2:38 PM PDT | Freeze Warning | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 18 hr |
| Apr 15, 7:51 PM PDT | Freeze Warning | MFR | Siskiyou | 37 hr |
| Apr 16, 1:28 AM PDT | Freeze Warning | REV | Lassen, Modoc, Plumas, Sierra | 31 hr |
| Apr 16, 3:08 AM PDT | Freeze Warning | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 10 hr |
| Apr 16, 12:49 PM PDT | Freeze Warning | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 20 hr |
| Apr 17, 11:09 AM PDT | Freeze Warning | EKA | Trinity | 21 hr |
| Apr 22, 12:12 PM PDT | Freeze Warning | EKA | Lake, Mendocino, Trinity | 21 hr |
| Jun 5, 9:26 PM PDT | Freeze Warning | MFR | Modoc, Siskiyou | 36 hr |
| Sep 6, 10:04 AM PDT | Freeze Warning | MFR | Modoc, Siskiyou | 23 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Trinity County5
- Fresno County4
- Kern County4
- Kings County4
- Madera County4
- Merced County4
- Tulare County4
- Siskiyou County4
- Lake County4
- Mendocino County4
- San Bernardino County3
- Santa Barbara County3
- Mariposa County3
- Del Norte County3
- Humboldt County3
- Modoc County3
- Los Angeles County2
- Imperial County1
- Riverside County1
- Ventura County1
- Lassen County1
- Plumas County1
- Sierra 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.