Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. 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: 89 °F
Light Wind
1ft
Tonight
Low: 84 °F
ESE 10kt
1ft
Saturday
High: 90 °F
Light Wind
1ft
Saturday Night
Low: 84 °F
SE 10kt
1ft
Sunday
High: 90 °F
Light Wind
1ft
Sunday Night
Low: 83 °F
ESE 10kt
1ft
Monday
High: 90 °F
E 10kt
1-2ft
Monday Night
Low: 84 °F
E 10kt
2ft
Tuesday
High: 90 °F
E 10kt
2ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 5:15 pm CDT Aug 21, 2026
Forecast Valid: 5pm CDT Aug 21, 2026-6pm CDT Aug 28, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

Variable winds 5 kt or less. Partly sunny. Seas around 1 ft.

Tonight

ESE wind 5 to 10 kt. Partly cloudy. Seas around 1 ft.

Saturday

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

Saturday Night

SE wind 5 to 10 kt. A slight chance of showers and thunderstorms. Seas around 1 ft.

Sunday

Variable winds 5 kt or less. Sunny. Seas around 1 ft.

Sunday Night

ESE wind 5 to 10 kt. Mostly clear. Seas around 1 ft.

Monday

E wind around 10 kt. A chance of showers and thunderstorms. Seas 1 to 2 ft.

Monday Night

E wind around 10 kt. A slight chance of showers and thunderstorms. Seas around 2 ft.

Tuesday

E wind around 10 kt. A chance of showers and thunderstorms. Seas around 2 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.