National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

San Joaquin Valley, CA

Weather Forecast Office

NWS Forecast Office Hanford, CA

Weather.gov > San Joaquin Valley, CA
Click a location below for detailed forecast.

Last Map Update: Sun, Sep 20, 2026 at 7:32:23 am PDT

Probability of Highs at least 95 degrees
Slight Chance of Sierra Thunderstorms Monday
Warmer than average temperatures return by the middle of next week. There is a high probability of highs at least 95 degrees in many San Joaquin Valley locations on Wednesday until Friday.
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Sunday, September 20, 2026 @ 4:47 AM PDT - There is a slight (10-20%) chance of thunderstorms for the Sierra Nevada on Monday afternoon and evening, mainly along the crest.
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