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Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

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Last Map Update: Wed, Sep 9, 2026 at 1:14:15 am EDT

Daily chances for scattered showers and thunderstorms will continue across the Florida Keys and surrounding waters for the next few days. Outside of a cooling shower or storm, daytime heat index values will range from 100-108 degrees. While this is a fairly standard pattern for us, it's important to continue practicing heat & lightning safety.
TODAY...Partly cloudy with a chance of showers and thunderstorms. Highs in the lower 90s. East winds 5 to 10 mph. Chance of rain around 40 percent.
MARINE WINDS TODAY...Generally light to gentle easterly breezes, occasionally moderate in the Eastern Straits. A chance of showers and thunderstorms.
WAVE HEIGHTS TODAY...Bay and Gulfside waters around 1 foot, Hawk Channel around 1 foot, Florida Straits 1 to 2 feet, and southeastern Gulf waters around 1 foot. Bay and nearshore waters a light chop. A chance of showers and thunderstorms.

 


 

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