Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Hazardous Weather Conditions

Short Term Forecast

For More Weather Information:

Key West, FL Local Forecast Office

8NM N Looe Key Light FL

Marine Point Forecast

[NOTICE]

This Afternoon
High: 91 °F
Light Wind
< 1ft
Tonight
Low: 82 °F
ESE 10kt
< 1ft
Friday
High: 91 °F
Light Wind
< 1ft
Friday Night
Low: 83 °F
E 10kt
< 1ft
Saturday
High: 91 °F
E 10kt
< 1ft
Saturday Night
Low: 82 °F
E 10kt
< 1ft
Sunday
High: 92 °F
ESE 10kt
< 1ft
Sunday Night
Low: 82 °F
E 10kt
< 1ft
Monday
High: 93 °F
E 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:15 pm CDT Aug 27, 2026
Forecast Valid: 5pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026

View Nearby Observations

Detailed Forecast

This Afternoon

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

Tonight

ESE wind 5 to 10 kt. A slight chance of showers and thunderstorms after 7pm. Seas 1 ft or less.

Friday

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

Friday Night

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

Saturday

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

Saturday Night

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

Sunday

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

Sunday Night

E wind around 10 kt. Showers and thunderstorms likely. Seas 1 ft or less.

Monday

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

*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.