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 >

For More Weather Information:

Key West, FL Local Forecast Office

3NM N American Shoal Light FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 90 °F
Light Wind
1ft
Tonight
Low: 84 °F
Light Wind
1ft
Sunday
High: 90 °F
Light Wind
1ft
Sunday Night
Low: 83 °F
Light Wind
< 1ft
Labor Day
High: 90 °F
Light Wind
< 1ft
Monday Night
Low: 84 °F
Light Wind
< 1ft
Tuesday
High: 91 °F
Light Wind
< 1ft
Tuesday Night
Low: 84 °F
E 10kt
< 1ft
Wednesday
High: 91 °F
E 10kt
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:15 pm CDT Sep 5, 2026
Forecast Valid: 1pm CDT Sep 5, 2026-6pm CDT Sep 11, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas around 1 ft.

Tonight

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas around 1 ft.

Sunday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Labor Day

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Monday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday

Variable winds 5 kt or less. A chance of showers and thunderstorms. Seas 1 ft or less.

Tuesday Night

E wind 5 to 10 kt. A slight chance of showers and thunderstorms. Seas 1 ft or less.

Wednesday

E wind around 10 kt. A slight chance of showers and thunderstorms. Seas around 1 ft.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.