Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

6NM WNW Tennessee Reef Light FL

Marine Point Forecast

[NOTICE]

Thursday
High: 88 °F
Light Wind
< 1ft
Thursday Night
Low: 83 °F
⇑SSE 10kt
< 1ft
Friday
High: 88 °F
Light Wind
< 1ft
Friday Night
Low: 83 °F
SE 10kt
< 1ft
Saturday
High: 88 °F
Light Wind
< 1ft
Saturday Night
Low: 83 °F
SE 10kt
< 1ft
Sunday
High: 88 °F
Light Wind
< 1ft
Sunday Night
Low: 83 °F
ESE 10kt
< 1ft
Monday
High: 88 °F
E 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:15 am CDT Aug 20, 2026
Forecast Valid: 2am CDT Aug 20, 2026-6pm CDT Aug 26, 2026

View Nearby Observations

Detailed Forecast

Thursday

Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 7am. Seas 1 ft or less.

Thursday Night

Variable winds less than 5 kt becoming SSE 5 to 10 kt in the evening. Partly cloudy. Seas 1 ft or less.

Friday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

Friday Night

SE wind 5 to 10 kt. Partly cloudy. Seas 1 ft or less.

Saturday

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

Saturday Night

SE wind 5 to 10 kt. Mostly clear. Seas 1 ft or less.

Sunday

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

Sunday Night

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

Monday

E wind 5 to 10 kt. Sunny. 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.