National Weather Service United States Department of Commerce

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

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Last Map Update: Tue, Sep 22, 2026 at 3:56:31 am PDT

Monday, September 21, 2026: Winds from the west gusting up to 35 MPH will create hazardous conditions for small craft today until early Tuesday morning. Exercise increased caution if recreating at San Luis Reservoir.
Warmer than average temperatures return by the middle of the 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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