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 >

Hazardous Weather Conditions

Last Update: 1017 AM EDT Wed Sep 9 2026

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Key West, FL Local Forecast Office

16NM S Dry Tortugas Light FL

Marine Zone Forecast


This Afternoon
East winds near 10 knots. Seas 1 to 2 feet. wave detail: east 2 feet at 4 seconds. A chance of showers and thunderstorms.
Tonight
East winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: east 3 feet at 4 seconds. A chance of showers and thunderstorms.
Thursday
East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave detail: east to southeast 3 feet at 5 seconds. A chance of showers and thunderstorms.
Thursday Night
East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms.
Friday
East to southeast winds near 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms.
Friday Night
East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Saturday
East to southeast winds 10 to 15 knots. Seas around 2 feet. Showers likely with a chance of thunderstorms.
Saturday Night
East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Sunday
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms.
Sunday Night
East winds near 10 knots. Seas 1 to 2 feet. A chance of thunderstorms with a slight chance of showers.



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1017 AM EDT Wed Sep 9 2026
 
 

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