Weather alerts in California, May 2026

193 weather alerts in May 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in May 2026. Tap one for its archive.

Alerts: 193
Warnings: 38
Watches: 18
Advisories: 81
Busiest day: May 4, 202622 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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
Apr 30, 6:03 PM PDT	Wind Advisory	LOX	Santa Barbara	8 hr
Apr 30, 11:15 PM PDT	Beach Hazards Statement	EKA	Del Norte, Humboldt, Mendocino	72 hr
May 1, 7:46 AM PDT	Small Craft Advisory	LOX		19 hr
May 2, 2:57 AM PDT	Wind Advisory	VEF	Inyo, San Bernardino	68 hr
May 2, 9:31 AM PDT	Lake Wind Advisory	HNX	Kern, Tulare	61 hr
May 2, 9:31 AM PDT	Wind Advisory	HNX	Fresno, Kern, Kings	70 hr
May 2, 5:18 PM PDT	Special Weather Statement	EKA	Humboldt	27 min
May 2, 5:45 PM PDT	Special Weather Statement	EKA	Humboldt	30 min
May 2, 6:21 PM PDT	Special Weather Statement	EKA	Del Norte	24 min
May 2, 6:22 PM PDT	Special Weather Statement	EKA	Del Norte	38 min
May 2, 11:51 PM PDT	Wind Advisory	PSR	Imperial	32 hr
May 3, 10:08 AM PDT	Special Weather Statement	EKA	Humboldt	22 min
May 3, 12:36 PM PDT	Special Weather Statement	STO	Placer	39 min
May 3, 12:44 PM PDT	Special Weather Statement	REV	Alpine	46 min
May 3, 12:57 PM PDT	Special Weather Statement	REV	Alpine	48 min
May 3, 1:07 PM PDT	Special Weather Statement	EKA	Trinity	23 min
May 3, 1:30 PM PDT	Special Weather Statement	EKA	Humboldt	30 min
May 3, 2:00 PM PDT	Special Weather Statement	EKA	Humboldt	30 min
May 3, 2:34 PM PDT	Severe Thunderstorm Warning	STO	Plumas, Sierra, Yuba	41 min
May 3, 3:56 PM PDT	Special Weather Statement	EKA	Del Norte	34 min
May 3, 4:16 PM PDT	Severe Thunderstorm Warning	STO	Butte, Plumas, Tehama	34 min
May 3, 4:39 PM PDT	Special Weather Statement	HNX	Tuolumne	36 min
May 3, 4:47 PM PDT	Severe Thunderstorm Warning	STO	Shasta, Tehama	43 min
May 3, 5:11 PM PDT	Special Weather Statement	HNX	Tuolumne	34 min
May 3, 5:33 PM PDT	Special Weather Statement	HNX		27 min
May 3, 5:37 PM PDT	Special Weather Statement	EKA	Humboldt	23 min
May 3, 6:17 PM PDT	Special Weather Statement	EKA	Humboldt	28 min
May 3, 6:24 PM PDT	Special Weather Statement	EKA	Del Norte	36 min
May 3, 6:41 PM PDT	Special Weather Statement	EKA	Del Norte	19 min
May 3, 7:28 PM PDT	Special Weather Statement	EKA	Trinity	32 min
May 3, 7:33 PM PDT	Special Weather Statement	HNX	Madera	42 min
May 3, 8:10 PM PDT	Special Weather Statement	HNX	Madera	35 min
May 3, 8:17 PM PDT	Small Craft Advisory	LOX		7 hr
May 3, 8:48 PM PDT	Special Weather Statement	EKA	Trinity	27 min
May 3, 9:08 PM PDT	Wind Advisory	SGX	Riverside, San Bernardino	24 hr
May 3, 10:29 PM PDT	Special Weather Statement	EKA	Trinity	31 min
May 3, 10:32 PM PDT	Special Weather Statement	EKA	Trinity	28 min
May 4, 7:04 AM PDT	Wind Advisory	LOX	Los Angeles	14 hr
May 4, 1:44 PM PDT	Special Weather Statement	REV	Lassen	31 min
May 4, 1:46 PM PDT	Small Craft Advisory	LOX		6 days
May 4, 2:18 PM PDT	Special Weather Statement	REV	Lassen	27 min
May 4, 3:57 PM PDT	Special Weather Statement	REV	Sierra	33 min
May 4, 4:16 PM PDT	Special Weather Statement	MFR	Siskiyou	44 min
May 4, 4:22 PM PDT	Special Weather Statement	EKA	Trinity	23 min
May 4, 4:53 PM PDT	Special Weather Statement	EKA	Trinity	37 min
May 6, 2:43 AM PDT	Small Craft Advisory	MTR		6 days
May 6, 9:15 PM PDT	Small Craft Advisory	LOX		4 hr
May 7, 6:27 AM PDT	Wind Advisory	LOX	Santa Barbara	21 hr
May 7, 11:47 AM PDT	Extreme Heat Watch	SGX	Riverside, San Diego	22 hr
May 7, 12:36 PM PDT	Extreme Heat Watch	PSR	Imperial, Riverside	22 hr
May 7, 2:37 PM PDT	Small Craft Advisory	EKA		5 days
May 7, 8:25 PM PDT	Gale Watch	LOX		24 hr
May 7, 8:25 PM PDT	Small Craft Advisory	LOX		31 hr
May 8, 2:53 AM PDT	Small Craft Advisory	MTR		42 hr
May 8, 6:55 AM PDT	Wind Advisory	LOX	Santa Barbara	19 hr
May 8, 10:01 AM PDT	Extreme Heat Warning	SGX	Riverside, San Diego	3 days
May 8, 10:13 AM PDT	Extreme Heat Warning	PSR	Imperial, Riverside	4 days
May 8, 11:05 AM PDT	Heat Advisory	STO	Butte, Colusa, Glenn, Stanislaus	3 days
May 8, 11:34 AM PDT	Heat Advisory	HNX	Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more	4 days
May 8, 8:17 PM PDT	Gale Warning	LOX		31 hr
May 8, 8:17 PM PDT	Small Craft Advisory	LOX		55 hr
May 9, 10:51 AM PDT	Heat Advisory	SGX	Riverside, San Bernardino	57 hr
May 10, 8:31 AM PDT	Small Craft Advisory	LOX		12 hr
May 11, 3:03 AM PDT	Small Craft Advisory	MTR		4 days
May 11, 3:21 AM PDT	Small Craft Advisory	EKA		5 hr
May 11, 12:51 PM PDT	Lake Wind Advisory	REV	Lassen, Plumas, Sierra	31 hr
May 11, 7:05 PM PDT	Wind Advisory	HNX	Fresno, Kern, Kings, Merced	37 hr
May 11, 8:00 PM PDT	Wind Advisory	LOX	Los Angeles	26 hr
May 12, 2:20 AM PDT	Small Craft Advisory	MTR		3 days
May 12, 9:52 AM PDT	Red Flag Warning	HNX	Fresno, Kern, Kings, Merced	12 hr
May 12, 12:31 PM PDT	Small Craft Advisory	LOX		3 days
May 12, 2:44 PM PDT	Gale Watch	EKA		6 hr
May 12, 2:44 PM PDT	Small Craft Advisory	EKA		4 days
May 12, 3:06 PM PDT	Lake Wind Advisory	HNX	Fresno, Kern, Merced, Tulare	35 hr
May 12, 8:57 PM PDT	Gale Watch	EKA		17 hr
May 13, 2:48 AM PDT	Gale Warning	MTR		5 days
May 13, 8:37 AM PDT	Gale Watch	MTR		18 hr
May 13, 12:59 PM PDT	Gale Watch	LOX		19 hr
May 13, 1:34 PM PDT	Wind Advisory	HNX	Kern	12 hr
May 13, 1:58 PM PDT	Gale Warning	EKA		9 days
May 13, 8:49 PM PDT	Small Craft Advisory	LOX		42 hr
May 14, 2:34 AM PDT	Gale Warning	MTR		4 days
May 14, 2:34 AM PDT	Small Craft Advisory	MTR		18 hr
May 14, 2:34 AM PDT	Small Craft Advisory	MTR		8 days
May 14, 2:34 AM PDT	Storm Watch	MTR		48 hr
May 14, 7:44 AM PDT	Gale Warning	LOX		3 days
May 14, 10:21 AM PDT	Fire Weather Watch	HNX	Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more	25 hr
May 14, 10:24 AM PDT	Fire Weather Watch	STO	Amador, Butte, Calaveras, Colusa, El Dorado, Glenn and 12 more	24 hr
May 14, 10:47 AM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	4 days
May 14, 10:53 AM PDT	Lake Wind Advisory	HNX	Fresno, Kern, Merced, Tulare	4 days
May 14, 10:53 AM PDT	Wind Advisory	HNX	Kern	4 days
May 14, 11:04 AM PDT	Wind Advisory	PSR	Imperial, Riverside, San Bernardino	4 days
May 14, 11:27 AM PDT	Beach Hazards Statement	LOX	Los Angeles, Santa Barbara	4 days
May 14, 11:27 AM PDT	High Surf Advisory	LOX	San Luis Obispo, Santa Barbara, Ventura	4 days
May 14, 12:04 PM PDT	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	4 days
May 14, 12:08 PM PDT	Wind Advisory	VEF	San Bernardino	4 days
May 14, 12:36 PM PDT	Gale Watch	LOX		8 hr
May 14, 2:35 PM PDT	Gale Watch	EKA		24 hr
May 14, 11:27 PM PDT	High Wind Watch	VEF	Inyo, San Bernardino	24 hr
May 15, 1:58 AM PDT	Gale Watch	LOX		12 hr
May 15, 4:16 AM PDT	Wind Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	53 hr
May 15, 8:54 AM PDT	Coastal Flood Advisory	MTR	Marin, Napa, Sonoma	4 days
May 15, 10:12 AM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	67 hr
May 15, 10:12 AM PDT	Wind Advisory	REV	Mono	61 hr
May 15, 10:51 AM PDT	Red Flag Warning	STO	Amador, Butte, Calaveras, Colusa, El Dorado, Glenn and 12 more	3 days
May 15, 11:17 AM PDT	High Wind Warning	HNX	Kern	60 hr
May 15, 11:38 AM PDT	Red Flag Warning	HNX	Fresno, Kern, Kings, Madera, Mariposa, Merced and 1 more	3 days
May 15, 11:56 AM PDT	Small Craft Advisory	SGX		43 hr
May 15, 11:57 AM PDT	Beach Hazards Statement	SGX	Orange, San Diego	69 hr
May 15, 12:21 PM PDT	High Wind Warning	LOX	Los Angeles, Santa Barbara, Ventura	45 hr
May 15, 1:14 PM PDT	Red Flag Warning	LOX	Los Angeles	33 hr
May 15, 1:40 PM PDT	Small Craft Advisory	LOX		48 hr
May 15, 11:56 PM PDT	High Wind Warning	VEF	Inyo, San Bernardino	59 hr
May 16, 12:35 AM PDT	Wind Advisory	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	25 hr
May 16, 2:07 AM PDT	Gale Warning	MTR		49 hr
May 16, 2:07 AM PDT	Storm Warning	MTR		37 hr
May 16, 6:52 AM PDT	Wind Advisory	STO	Butte, Colusa, Glenn, Nevada, Placer, Sacramento and 7 more	48 hr
May 17, 1:16 AM PDT	Wind Advisory	MTR	Alameda, Contra Costa, Napa, San Mateo, Santa Clara, Santa Cruz and 1 more	34 hr
May 17, 8:09 AM PDT	Gale Warning	LOX		11 hr
May 17, 12:55 PM PDT	Wind Advisory	LOX	Los Angeles, Ventura	26 hr
May 17, 1:35 PM PDT	Small Craft Advisory	LOX		37 hr
May 17, 3:09 PM PDT	Dust Storm Warning	VEF	Inyo	111 min
May 17, 4:58 PM PDT	Dust Storm Warning	VEF	Inyo	62 min
May 17, 8:46 PM PDT	Dust Storm Warning	VEF	San Bernardino	119 min
May 18, 1:46 AM PDT	Frost Advisory	EKA	Humboldt, Trinity	6 hr
May 18, 2:59 AM PDT	Small Craft Advisory	EKA		5 days
May 20, 8:56 AM PDT	Small Craft Advisory	LOX		16 hr
May 20, 2:48 PM PDT	Hazardous Seas Warning	EKA		66 hr
May 22, 1:30 PM PDT	Small Craft Advisory	MTR		20 hr
May 22, 5:59 PM PDT	Special Weather Statement	REV	Plumas	46 min
May 22, 6:52 PM PDT	Flash Flood Warning	EKA	Trinity	2 hr
May 23, 9:02 AM PDT	Small Craft Advisory	EKA		24 hr
May 23, 2:25 PM PDT	Fire Weather Watch	REV	Lassen, Modoc	23 hr
May 23, 4:04 PM PDT	Special Weather Statement	EKA		26 min
May 24, 3:06 AM PDT	Small Craft Advisory	EKA		6 hr
May 24, 9:38 AM PDT	Lake Wind Advisory	HNX	Kern, Tulare	3 days
May 24, 9:38 AM PDT	Wind Advisory	HNX	Kern	3 days
May 24, 9:46 AM PDT	Wind Advisory	VEF	Inyo, San Bernardino	4 days
May 24, 10:09 AM PDT	Wind Advisory	SGX	Riverside, San Bernardino, San Diego	4 days
May 24, 10:38 AM PDT	Wind Advisory	LOX	Los Angeles, San Luis Obispo, Santa Barbara, Ventura	67 hr
May 24, 11:56 AM PDT	Red Flag Warning	MFR	Modoc	35 hr
May 24, 1:05 PM PDT	Red Flag Warning	REV	Lassen, Modoc	34 hr
May 24, 1:59 PM PDT	Small Craft Advisory	LOX		51 hr
May 24, 1:59 PM PDT	Small Craft Advisory	LOX		48 hr
May 24, 2:01 PM PDT	Small Craft Advisory	MTR		4 days
May 24, 2:25 PM PDT	Lake Wind Advisory	REV	Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more	63 hr
May 24, 2:55 PM PDT	Small Craft Advisory	EKA		4 days
May 24, 3:23 PM PDT	Special Weather Statement	EKA	Trinity	37 min
May 24, 3:51 PM PDT	Special Weather Statement	HNX	Mono	24 min
May 24, 8:13 PM PDT	High Surf Advisory	LOX	San Luis Obispo, Santa Barbara	3 days
May 24, 8:22 PM PDT	Gale Watch	LOX		17 hr
May 24, 9:12 PM PDT	Gale Watch	EKA		36 hr
May 25, 2:00 AM PDT	Small Craft Advisory	LOX		36 hr
May 25, 11:20 AM PDT	Wind Advisory	PSR	Imperial	66 hr
May 25, 1:02 PM PDT	Small Craft Advisory	SGX		48 hr
May 25, 1:13 PM PDT	Gale Warning	LOX		38 hr
May 25, 1:42 PM PDT	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	43 hr
May 25, 2:10 PM PDT	Gale Warning	MTR		37 hr
May 25, 8:17 PM PDT	Small Craft Advisory	LOX		61 hr
May 26, 8:49 AM PDT	Gale Warning	EKA		27 hr
May 26, 8:49 AM PDT	Gale Warning	EKA		38 hr
May 26, 3:38 PM PDT	Beach Hazards Statement	EKA	Del Norte, Humboldt, Mendocino	55 hr
May 26, 5:58 PM PDT	Special Weather Statement	STO	Sacramento	47 min
May 26, 6:13 PM PDT	Special Weather Statement	MTR	Alameda	47 min
May 26, 6:23 PM PDT	Special Weather Statement	MTR	Contra Costa	22 min
May 26, 6:44 PM PDT	Special Weather Statement	MTR	Contra Costa	31 min
May 27, 1:50 PM PDT	Mesoscale Discussion	SPC	Modoc	85 min
May 27, 4:07 PM PDT	Special Weather Statement	MTR	Monterey	38 min
May 27, 4:35 PM PDT	Special Weather Statement	MTR	Monterey	25 min
May 27, 4:36 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	39 min
May 27, 5:09 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	27 min
May 27, 5:20 PM PDT	Special Weather Statement	MTR	Santa Clara	25 min
May 27, 5:35 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	40 min
May 27, 5:40 PM PDT	Severe Thunderstorm Warning	MFR	Siskiyou	18 min
May 27, 5:47 PM PDT	Special Weather Statement	MTR	Santa Clara	28 min
May 27, 7:03 PM PDT	Special Weather Statement	HNX	Kern	27 min
May 27, 7:04 PM PDT	Special Weather Statement	HNX		26 min
May 27, 7:15 PM PDT	Special Weather Statement	EKA	Trinity	30 min
May 27, 7:15 PM PDT	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	32 hr
May 27, 7:19 PM PDT	Special Weather Statement	HNX	Kern	26 min
May 27, 11:47 PM PDT	Wind Advisory	PSR	Imperial	29 hr
May 28, 2:44 AM PDT	Small Craft Advisory	MTR		4 days
May 28, 12:23 PM PDT	Small Craft Advisory	LOX		56 hr
May 28, 3:13 PM PDT	Gale Watch	EKA		23 hr
May 28, 10:01 PM PDT	Small Craft Advisory	EKA		5 days
May 29, 2:32 PM PDT	Gale Warning	EKA		62 hr
May 30, 2:02 AM PDT	High Surf Advisory	LOX	San Luis Obispo, Santa Barbara	44 hr
May 30, 2:20 AM PDT	Gale Warning	LOX		25 hr
May 30, 2:20 AM PDT	Small Craft Advisory	LOX		55 hr
May 30, 10:22 AM PDT	Wind Advisory	LOX	Los Angeles, Santa Barbara	21 hr
May 30, 8:12 PM PDT	Small Craft Advisory	LOX		31 hr
May 30, 9:00 PM PDT	Hazardous Seas Warning	EKA		32 hr
May 30, 9:43 PM PDT	Beach Hazards Statement	MTR	Marin, Monterey, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma	55 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	7
Mesoscale Discussion	1
Special Weather Statement	47
Flooding
Flash Flood Warning	1
Heat
Extreme Heat Warning	2
Extreme Heat Watch	2
Heat Advisory	3
Cold
Frost Advisory	1
Wind and dust
Dust Storm Warning	3
High Wind Warning	3
High Wind Watch	1
Lake Wind Advisory	7
Wind Advisory	28
Fire
Red Flag Warning	6
Fire Weather Watch	3
Coast and beach
Coastal Flood Advisory	1
High Surf Advisory	3
Beach Hazards Statement	8
Marine
Gale Warning	13
Hazardous Seas Warning	2
Storm Warning	1
Gale Watch	11
Storm Watch	1
Small Craft Advisory	38

By county

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

16 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2025

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. Rebuilt daily.