National Weather Service United States Department of Commerce

Heavy to Excessive Rainfall in the Central Appalachians; Severe Weather in the Mid-South; Hot Weather in Southern California

Heavy to excessive rainfall may lead to flooding today over southwest Pennsylvania into northern West Virginia, and western Maryland. Severe thunderstorms are possible this afternoon and evening in the Mid-South and across Eastern North Carolina. An extended period of hot weather is forecast for parts of coastal southern California including Los Angeles from today through Thursday. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, May 21, 2025 at 7:44:21 am EDT

There are no watches, warnings, or advisories at this time.

Dangerous and impactful heat is forecast for metro Miami-Dade, Broward, & Palm Beach counties this afternoon. While most of South Florida will see a moderate heat risk, major to extreme risk values are forecast for the metro areas listed above. Practice heat safety!
The NOAA Weather Radio Miami Transmitter, frequency 162.55Mhz, is off the air. All other South Florida frequencies are functioning.

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