Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Last Update: 1018 PM EDT Mon Aug 17 2026

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Key West, FL Local Forecast Office

6NM WNW Pulaski Shoal Light FL

Marine Zone Forecast


Overnight
Variable winds near 5 knots, becoming northwest to north. Seas 1 foot or less.
Tuesday
Northwest to north winds 5 to 10 knots. Seas around 1 foot. Wave detail: northwest to north 1 foot at 3 seconds.
Tuesday Night
Northwest to north winds 5 to 10 knots. Seas around 1 foot. Wave detail: northwest to north 1 foot at 3 seconds.
Wednesday
West to northwest winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms.
Wednesday Night
West to northwest winds 5 to 10 knots, decreasing to near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms.
Thursday
West to northwest winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms.
Thursday Night
Northwest to north winds near 5 knots, becoming variable. Seas around 1 foot. A slight chance of showers and thunderstorms.
Friday
South to southwest winds near 5 knots, becoming variable. Seas around 1 foot. A slight chance of showers.
Friday Night
Variable winds near 5 knots, becoming southeast to south. Seas around 1 foot. A slight chance of showers and thunderstorms.
Saturday
South to southwest winds near 5 knots, becoming variable. Seas around 1 foot. A slight chance of showers.
Saturday Night
Variable winds near 5 knots, becoming southeast to south. Seas 1 foot or less. A slight chance of showers and thunderstorms.



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1018 PM EDT Mon Aug 17 2026
 
 

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