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.

IssuedProductOfficeCountiesLasted
Jan 8, 11:24 AM PSTFreeze WarningPSRSan Bernardino21 hr
Jan 8, 11:24 AM PSTFreeze WarningPSRImperial, Riverside, San Bernardino44 hr
Jan 8, 12:29 PM PSTFreeze WarningLOXLos Angeles, Santa Barbara, Ventura21 hr
Jan 9, 1:35 AM PSTFreeze WarningVEFSan Bernardino30 hr
Jan 9, 4:24 AM PSTFreeze WarningHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more30 hr
Jan 11, 4:35 AM PSTFreeze WarningHNXFresno, Kern, Kings, Madera, Merced, Tulare4 hr
Jan 12, 5:45 AM PSTFreeze WarningHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more4 hr
Feb 19, 12:16 PM PSTFreeze WarningSTO21 hr
Feb 19, 8:49 PM PSTFreeze WarningHNXFresno, Kern, Kings, Madera, Mariposa, Merced and 1 more36 hr
Feb 20, 3:11 AM PSTFreeze WarningLOXSanta Barbara5 hr
Feb 20, 8:01 PM PSTFreeze WarningLOXLos Angeles, Santa Barbara13 hr
Apr 1, 8:29 PM PDTFreeze WarningMFRSiskiyou37 hr
Apr 15, 2:38 PM PDTFreeze WarningEKADel Norte, Humboldt, Lake, Mendocino, Trinity18 hr
Apr 15, 7:51 PM PDTFreeze WarningMFRSiskiyou37 hr
Apr 16, 1:28 AM PDTFreeze WarningREVLassen, Modoc, Plumas, Sierra31 hr
Apr 16, 3:08 AM PDTFreeze WarningEKADel Norte, Humboldt, Lake, Mendocino, Trinity10 hr
Apr 16, 12:49 PM PDTFreeze WarningEKADel Norte, Humboldt, Lake, Mendocino, Trinity20 hr
Apr 17, 11:09 AM PDTFreeze WarningEKATrinity21 hr
Apr 22, 12:12 PM PDTFreeze WarningEKALake, Mendocino, Trinity21 hr
Jun 5, 9:26 PM PDTFreeze WarningMFRModoc, Siskiyou36 hr
Sep 6, 10:04 AM PDTFreeze WarningMFRModoc, Siskiyou23 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

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.