Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Last Update: 1013 AM EDT Mon Aug 24 2026

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Key West, FL Local Forecast Office

33NM SSE Molasses Reef 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 2 feet at 4 seconds. A slight chance of showers and thunderstorms.
Tonight
East to southeast winds near 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 4 seconds. A slight chance of showers and thunderstorms.
Tuesday
East winds near 10 knots. Seas around 2 feet. Wave detail: east 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms.
Tuesday Night
East winds 10 to 15 knots, becoming east to southeast. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Wednesday
East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Wednesday Night
East to southeast winds near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance of showers and thunderstorms.
Thursday
East to southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.
Thursday Night
East winds near 10 knots. Seas around 2 feet. A chance of showers and thunderstorms.
Friday
East winds 5 to 10 knots. Seas 1 to 2 feet. A chance of showers and thunderstorms.
Friday Night
East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.



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1013 AM EDT Mon Aug 24 2026
 
 

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