National Weather Service United States Department of Commerce

Areas of Showers and Thunderstorms to Start the Work Week

Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >

Click a location below for detailed forecast.

Last Map Update: Sun, Sep 20, 2026 at 9:22:40 pm PDT

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.
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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