Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.
Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >
| NWS Forecast for: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out (GMZ075) Issued by: National Weather Service Key West, FL Last Update: 417 PM EDT Sat Sep 5 2026 |  |
Tonight: Southeast to south winds 5 to 10 knots. Seas 1 to 2 feet. Wave detail: east 1 foot at 4 seconds. A chance of showers and thunderstorms. Sunday: Southeast winds near 5 knots. Seas around 1 foot. Wave detail: east to southeast 1 foot at 3 seconds. A chance of showers and thunderstorms. Sunday Night: Southeast winds 5 to 10 knots. Seas 1 to 2 feet. wave detail: east to southeast 1 foot at 3 seconds. A chance of showers and thunderstorms. Monday: Southeast to south winds near 5 knots. Seas around 1 foot. A chance of showers and thunderstorms. Monday Night: Southeast winds near 5 knots. Seas around 1 foot. A chance of showers and thunderstorms. Tuesday: East to southeast winds near 5 knots. Seas around 1 foot. A slight chance of showers and thunderstorms. Tuesday Night: East winds 5 to 10 knots, increasing to near 10 knots. Seas 1 to 2 feet, building to around 2 feet. A chance of showers and thunderstorms. Wednesday Through Thursday Night: East winds near 10 knots. seas 2 to 3 feet. A chance of showers and thunderstorms. | |
| Zone Forecast: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out (GMZ075) | |
Visit your local NWS office at: https://www.weather.gov/key |