Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Hazardous Weather Conditions

Last Update: 607 AM EDT Mon Sep 21 2026

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Key West, FL Local Forecast Office

Florida Bay FL

Marine Zone Forecast


Today
South to southwest winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers and thunderstorms.
Tonight
Southeast to south winds 5 to 10 knots. Bay waters smooth to a light chop. Showers likely with a chance of thunderstorms.
Tuesday
South winds 5 to 10 knots. Bay waters smooth to a light chop. Showers likely with a chance of thunderstorms.
Tuesday Night
South winds 5 to 10 knots. Bay waters smooth to a light chop. Showers likely with a chance of thunderstorms.
Wednesday
South winds 5 to 10 knots. Bay waters smooth to a light chop. Showers with a chance of thunderstorms.
Wednesday Night
East to southeast winds near 5 knots. Bay waters smooth. Showers likely with a chance of thunderstorms.
Thursday
East to southeast winds near 5 knots, becoming south. Bay waters smooth. Showers likely with a chance of thunderstorms.
Thursday Night
Northwest to north winds near 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms.
Friday
North to northeast winds near 5 knots, becoming southeast to south. Bay waters smooth. Showers likely with a chance of thunderstorms.
Friday Night
North winds near 5 knots. Bay waters smooth. A chance of showers and thunderstorms.



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607 AM EDT Mon Sep 21 2026
 
 

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