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

6NM WNW Pulaski Shoal Light FL

Marine Zone Forecast

This Afternoon

East to southeast winds near 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms.

Tonight

East to southeast winds near 5 knots, becoming east and increasing to 5 to 10 knots. Seas around 1 foot. Wave detail: east to southeast 1 foot at 3 seconds. A slight chance of showers and thunderstorms.

Tuesday

East winds 5 to 10 knots. Seas around 1 foot. Wave detail: east to southeast 1 foot at 3 seconds. A chance of showers with a slight chance of thunderstorms.

Tuesday Night

East winds 5 to 10 knots, becoming east to southeast and increasing to 10 to 15 knots after midnight. Seas 1 to 2 feet, building to around 2 feet. A chance of showers and thunderstorms.

Wednesday

East to southeast winds 10 to 15 knots. Seas around 2 feet. Showers likely with a chance of thunderstorms.

Wednesday Night

East to southeast winds 10 to 15 knots, becoming southeast and increasing to near 15 knots. Seas 2 to 3 feet. Showers likely with a chance of thunderstorms.

Thursday

Southeast winds 10 to 15 knots, decreasing to near 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Showers likely with a chance of thunderstorms.

Thursday Night

East to southeast winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms.

Friday

East to southeast winds 5 to 10 knots. Seas around 1 foot. A chance of thunderstorms with a slight chance of showers.

Friday Night

East winds 5 to 10 knots. Seas around 1 foot. A chance of showers and thunderstorms.