Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Last Update: 1022 AM EDT Wed Sep 16 2026

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Key West, FL Local Forecast Office

Florida Bay FL

Marine Zone Forecast


This Afternoon
Northeast to east winds 10 to 15 knots. Bay waters a light to moderate chop. Showers likely with a chance of thunderstorms.
Tonight
Northeast to east winds near 15 knots, decreasing to 10 to 15 knots. Bay waters a moderate chop, becoming a light to moderate chop. A chance of showers and thunderstorms.
Thursday
Northeast to east winds near 10 knots. Bay waters a light chop. Showers likely with a chance of thunderstorms.
Thursday Night
Northeast to east winds 10 to 15 knots, becoming east near 10 knots. Bay waters a light to moderate chop, becoming a light chop. Showers likely with a chance of thunderstorms.
Friday
East winds near 10 knots, decreasing to 5 to 10 knots. bay waters a light chop, becoming smooth to a light chop. Showers with a chance of thunderstorms.
Friday Night
East winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers and thunderstorms.
Saturday
East to southeast winds near 5 knots. Bay waters smooth. Showers likely with a chance of thunderstorms.
Saturday Night
Southeast winds near 5 knots. Bay waters smooth. Showers likely with a chance of thunderstorms.
Sunday
South to southwest winds near 5 knots. Bay waters smooth. Showers and thunderstorms likely.
Sunday Night
South winds 5 to 10 knots. Bay waters smooth to a light chop. Showers likely with a chance of thunderstorms.



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1022 AM EDT Wed Sep 16 2026
 
 

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