Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Hazardous Weather Conditions

Last Update: 415 PM EDT Sat Aug 29 2026

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Key West, FL Local Forecast Office

3NM NE Content Keys FL

Marine Zone Forecast


Tonight
East winds 10 to 15 knots. Seas around 1 foot, building to 1 to 2 feet. Nearshore waters a light to moderate chop. A chance of showers and thunderstorms.
Sunday
East to southeast winds 5 to 10 knots. Seas subsiding to 1 foot or less. Nearshore waters smooth to a light chop. Showers likely with a chance of thunderstorms.
Sunday Night
East winds 10 to 15 knots. Seas 1 to 2 feet. nearshore waters a light to moderate chop. A chance of showers and thunderstorms.
Monday
East winds 5 to 10 knots. Seas subsiding to 1 foot or less. Nearshore waters smooth to a light chop. A chance of showers and thunderstorms.
Monday Night
Northeast to east winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light to moderate chop. A chance of showers and thunderstorms.
Tuesday
East winds near 10 knots. Seas around 1 foot. nearshore waters a light chop. Showers likely with a chance of thunderstorms.
Tuesday Night
East winds near 10 knots. Seas around 1 foot. nearshore waters a light chop. A chance of showers and thunderstorms.
Wednesday
East winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Showers and thunderstorms likely.
Wednesday Night
East winds near 10 knots. Seas around 1 foot. Nearshore waters a light chop. Showers likely with a chance of thunderstorms.
Thursday
East winds 5 to 10 knots. Seas 1 foot or less. Nearshore waters smooth to a light chop. Showers and thunderstorms likely.
Thursday Night
East winds near 10 knots, becoming southeast to south. Seas 1 to 2 feet. Nearshore waters a light chop. Showers likely with a chance of thunderstorms.



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415 PM EDT Sat Aug 29 2026
 
 

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