Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Last Update: 1029 AM EDT Sat Aug 22 2026

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Key West, FL Local Forecast Office

33NM S Sand Key Light FL

Marine Zone Forecast


This Afternoon
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: east to southeast 1 foot at 3 seconds. a slight chance of showers and thunderstorms.
Tonight
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: east 1 foot at 4 seconds. A slight chance of showers and thunderstorms.
Sunday
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: east to southeast 1 foot at 3 seconds. A slight chance of showers and thunderstorms.
Sunday Night
East to southeast winds 5 to 10 knots. Seas 1 to 2 feet. A slight chance of showers and thunderstorms.
Monday
East winds near 10 knots. Seas 1 to 3 feet. A slight chance of showers and thunderstorms.
Monday Night
East winds near 10 knots. Seas 1 to 3 feet. A chance of showers and thunderstorms.
Tuesday
East winds near 10 knots. Seas 1 to 3 feet. A chance of showers and thunderstorms.
Tuesday Night
East to southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers and thunderstorms.
Wednesday
East winds near 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Wednesday Night
East to southeast winds 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers and thunderstorms.



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1029 AM EDT Sat Aug 22 2026
 
 

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