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:

Duluth, MN Local Forecast Office

2NM SE Duluth MN

Marine Point Forecast

[NOTICE]

Thursday
High: 72 °F
Light Wind
< 1ft
Thursday Night
Low: 60 °F
Light Wind
< 1ft
Friday
High: 75 °F
NNW 10kt
< 1ft
Friday Night
Low: 60 °F
WNW 10kt
< 1ft
Saturday
High: 74 °F
NNW 10kt
< 1ft
Saturday Night
Low: 56 °F
Light Wind
< 1ft
Sunday
High: 72 °F
Light Wind
< 1ft
Sunday Night
Low: 56 °F
Light Wind
< 1ft
Monday
High: 74 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 1:21 am CDT Aug 20, 2026
Forecast Valid: 2am CDT Aug 20, 2026-6pm CDT Aug 26, 2026

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Detailed Forecast

Thursday

Variable winds 5 kt or less. Showers likely, then showers and possibly a thunderstorm after 10am. Waves 1 ft or less.

Thursday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms before 10pm. Waves 1 ft or less.

Friday

NNE wind 5 to 10 kt becoming NNW in the afternoon. A slight chance of showers before 8am. Waves 1 ft or less.

Friday Night

WNW wind 5 to 10 kt. Partly cloudy. Waves 1 ft or less.

Saturday

NNW wind around 10 kt, with gusts as high as 20 kt. Sunny. Waves 1 ft or less.

Saturday Night

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

Sunday

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

Sunday Night

Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.

Monday

Variable winds 5 kt or less. Mostly sunny. Waves 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.