San Joaquin County Weather


California weather is more than clear and cloudy. It's also earthquakes, fires, air quality and power outages.

Weather Alert

Red Flag Warning
Effective: 2025-05-18 11:49:00
Expires: 2025-05-19 16:00:00
* Winds...North winds 15 to 25 mph with gusts up to 35 mph expected. Strongest winds are expected across the central Sacramento Valley, along and west of Interstate 5. * Humidity...15 to 25 percent. * Highest Threat...Central and Southern Sacramento Valley along and west of the I-5 corridor and the Northern San Joaquin Valley. * Impacts...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity. Outdoor burning is not recommended.
WHERE... Northern Sacramento Valley to Southern Tehama County Line Below 1000 Ft; Central Sacramento Valley including Glenn/Colusa/Yuba/Northern Sutter/Butte County Below 1000 Ft; Southern Sacramento Valley In Yolo/Sacramento/Far Western Placer/Southern Sutter and Solano County Below 1000 Ft - Excludes the Delta; Eastern Delta; Northern San Joaquin Valley in San Joaquin and Stanislaus Counties Below 1000 ft - Excludes the Delta

San Joaquin Current Conditions Map

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NOAA Satellite Images

Active CalFire Incidents

County
Incident Name
Location
Acres Burned
% Contained
Updated
Contra Costa
Walnut Boulevard near Camino Diablo, Brentwood
51 / 0
05/18/2025
Fresno
Cornflower Lane east of Squaw Valley Road in Yokuts Valley
30 / 20
05/18/2025
Fresno
West Ponoche Road near I-5, Chaney Ranch
27 / 0
05/18/2025
Imperial
Unknown / TBD
26 / 0
05/06/2025
Kern
Highway 178 near of Upper Richbar Picnic Area, Sequoia National Forest
450 / 0
05/18/2025
Madera
Road 602 and Madera Canal, Madera
632 / 100
05/15/2025
Merced
G street cross of the Main Canal, 8 Miles North of the City of Merced.
23 / 100
05/17/2025
Placer
Sunset Blvd. West cross of Fiddyment Road, Lincoln
65 / 100
05/18/2025
Riverside
44000 block of Gold Creek Lane, Aguanga
10 / 0
05/16/2025
San Benito
New Idria Road South of Panoche Valley Paicines
330 / 90
05/18/2025
San Diego
Near Hwy 94 & Barrett Smith Rd, Barrett Junction
38 / 100
12/11/2024
San Joaquin
Johnson / Brandt Road, Clements
22 / 100
05/16/2025
Shasta
Battle Creek Road, Shingletown
14 / 100
05/16/2025
Stanislaus
I-5/Ingram Creek Road, Westley
66 / 100
05/16/2025
Tehama
Pettyjohn Road, Red Bluff
11 / 20
05/18/2025

Earthquakes in California in the Last 72 Hours

Use our guide to get ready for the big one.

Time
Description
USGS Page
05/18/2025 8:04 p.m.
M 2.7 - 69 km WNW of Petrolia, Humboldt County, CA
05/18/2025 3:58 p.m.
M 2.6 - 14 km W of Toms Place, CA
05/17/2025 7:23 p.m.
M 2.5 - 6 km NNW of The Geysers, CA
05/17/2025 5:45 a.m.
M 3.0 - 2 km NNW of The Geysers, CA
05/16/2025 10:58 p.m.
M 3.6 - 37 km W of Petrolia, Humboldt County, CA
05/16/2025 10:23 p.m.
M 2.9 - 19 km W of Petrolia, Humboldt County, CA
05/16/2025 10:08 p.m.
M 3.0 - 25 km W of Petrolia, Humboldt County, CA
05/16/2025 9:46 p.m.
M 2.5 - 35 km W of Petrolia, Humboldt County, CA
05/16/2025 9:38 p.m.
M 2.5 - 33 km W of Petrolia, Humboldt County, CA
05/16/2025 8:41 p.m.
M 3.0 - 32 km W of Petrolia, Humboldt County, CA

5 Day Forecast for the San Joaquin Region

Monday, May 19 2025 1
4 AM
57°     Wind NW 7.8 mph    clear sky
7 AM
61°     Wind NW 11.0 mph    clear sky
10 AM
75°     Wind NW 13.2 mph    clear sky
1 PM
81°     Wind NW 13.9 mph    clear sky
4 PM
74°     Wind W 13.7 mph    clear sky
7 PM
77°     Wind W 11.6 mph    clear sky
10 PM
62°     Wind W 7.2 mph    clear sky
Tuesday, May 20 2025 8
1 AM
57°     Wind W 5.4 mph    clear sky
4 AM
55°     Wind NW 5.0 mph    clear sky
7 AM
62°     Wind NW 7.2 mph    clear sky
10 AM
77°     Wind NW 10 mph    clear sky
1 PM
87°     Wind NW 9.0 mph    clear sky
4 PM
88°     Wind W 11.1 mph    clear sky
7 PM
76°     Wind W 10.0 mph    clear sky
10 PM
63°     Wind W 6.2 mph    clear sky
Wednesday, May 21 2025 16
1 AM
59°     Wind NW 4.4 mph    clear sky
4 AM
56°     Wind NW 6.2 mph    clear sky
7 AM
63°     Wind NW 7.4 mph    clear sky
10 AM
81°     Wind NW 6.5 mph    clear sky
1 PM
92°     Wind NW 8.1 mph    clear sky
4 PM
93°     Wind W 13.0 mph    few clouds
7 PM
80°     Wind W 7.8 mph    scattered clouds
10 PM
67°     Wind W 4.4 mph    scattered clouds
Thursday, May 22 2025 24
1 AM
63°     Wind W 3.6 mph    few clouds
4 AM
59°     Wind NW 3.1 mph    few clouds
7 AM
66°     Wind NW 5.1 mph    few clouds
10 AM
82°     Wind NW 8.1 mph    few clouds
1 PM
89°     Wind W 15.4 mph    clear sky
4 PM
82°     Wind W 16.8 mph    clear sky
7 PM
67°     Wind SW 14.1 mph    clear sky
10 PM
58°     Wind W 10.6 mph    clear sky
Friday, May 23 2025 32
1 AM
54°     Wind SW 10.0 mph    clear sky
4 AM
52°     Wind W 8.1 mph    clear sky
7 AM
57°     Wind W 7.7 mph    clear sky
10 AM
70°     Wind W 7.4 mph    clear sky
1 PM
79°     Wind W 11.2 mph    clear sky
4 PM
76°     Wind W 15.3 mph    clear sky
7 PM
61°     Wind W 12.3 mph    clear sky
10 PM
54°     Wind W 6.2 mph    clear sky
Saturday, May 24 2025 40
1 AM
52°     Wind NW 4.1 mph    clear sky