Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

For More Weather Information:

Key West, FL Local Forecast Office

6NM WNW Tennessee Reef Light FL

Marine Point Forecast

[NOTICE]

Overnight
Low: 83 °F
Light Wind
< 1ft
Tuesday
High: 89 °F
⇑WNW 10kt
< 1ft
Tuesday Night
Low: 84 °F
WNW 10kt
< 1ft
Wednesday
High: 89 °F
WNW 10kt
< 1ft
Wednesday Night
Low: 84 °F
WNW 10kt
< 1ft
Thursday
High: 89 °F
Light Wind
< 1ft
Thursday Night
Low: 84 °F
Light Wind
< 1ft
Friday
High: 88 °F
Light Wind
< 1ft
Friday Night
Low: 83 °F
⇑SE 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:15 am CDT Aug 18, 2026
Forecast Valid: 12am CDT Aug 18, 2026-6pm CDT Aug 24, 2026

View Nearby Observations

Detailed Forecast

Overnight

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

Tuesday

Variable winds less than 5 kt becoming WNW 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.

Tuesday Night

WNW wind around 10 kt. Partly cloudy. Seas 1 ft or less.

Wednesday

NNW wind 5 to 10 kt becoming WNW in the afternoon. A slight chance of showers and thunderstorms. Seas 1 ft or less.

Wednesday Night

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

Thursday

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

Thursday Night

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

Friday

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

Friday Night

Variable winds less than 5 kt becoming SE 5 to 10 kt in the evening. A slight chance of showers. 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.