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: 429 PM EDT Sat Aug 22 2026

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Key West, FL Local Forecast Office

45NM SSW Rebecca Shoal Light FL

Marine Zone Forecast


Tonight
East winds 5 to 10 knots, becoming southeast after midnight. 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 winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: east to southeast 2 feet at 4 seconds.
Monday
East winds near 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms.
Monday Night
East winds near 10 knots. Seas around 2 feet. A chance of showers and thunderstorms.
Tuesday
East winds near 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms.
Tuesday Night
East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Wednesday
East winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms.
Wednesday Night
East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Thursday And Thursday Night
East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and t-storms.



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429 PM EDT Sat Aug 22 2026
 
 

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