Severe Thunderstorms and Heavy Rain in the Central Plains and Midwest; Heat Pushes into the South and East

Scattered severe thunderstorms capable of large hail in excess of two inches, strong tornadoes, and damaging wind gusts are likely across parts of the Upper Mississippi Valley and Midwest this evening. Heavy to excessive rainfall may bring a flooding threat to portions of the Central Plains to the Midwest through Thursday. The heatwave in the Central U.S. will begin to push South and East Thursday Read More >

Hazardous Weather Conditions

For More Weather Information:

Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]

Tonight
Low: 47 °F
SW 10kt
1-2ft
Thursday
High: 61 °F
SW 15kt
1-2ft
Thursday Night
Low: 46 °F
SW 10kt
1-2ft
Friday
High: 60 °F
WSW 20kt
1-3ft
Friday Night
Low: 46 °F
WSW 10kt
1-2ft
Saturday
High: 59 °F
WSW 15kt
1-2ft
Saturday Night
Low: 44 °F
W 10kt
< 1ft
Sunday
High: 55 °F
W 15kt
< 1ft
Sunday Night
Low: 44 °F
WNW 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 6:16 pm CDT Jun 10, 2026
Forecast Valid: 8pm CDT Jun 10, 2026-6pm CDT Jun 17, 2026

View Nearby Observations

Detailed Forecast

Tonight

WNW wind 5 to 10 kt becoming SSW in the evening. Winds could gust as high as 20 kt. A chance of showers and thunderstorms before 1am. Some of the storms could be severe. Patchy dense fog between 3am and 5am. Waves 1 to 2 ft.

Thursday

SW wind 10 to 15 kt, with gusts as high as 20 kt. Patchy dense fog before 8am. Waves 1 to 2 ft.

Thursday Night

SW wind around 10 kt, with gusts as high as 20 kt. A chance of showers, mainly between 9pm and midnight. Waves 1 to 2 ft.

Friday

WSW wind 15 to 20 kt, with gusts as high as 25 kt. A slight chance of showers after 1pm. Waves 1 to 3 ft.

Friday Night

WSW wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 to 2 ft.

Saturday

WSW wind 10 to 15 kt, with gusts as high as 25 kt. Partly sunny. Waves 1 to 2 ft.

Saturday Night

W wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 ft or less.

Sunday

W wind 10 to 15 kt, with gusts as high as 25 kt. Mostly sunny. Waves 1 ft or less.

Sunday Night

WNW wind around 10 kt, with gusts as high as 20 kt. Partly cloudy. 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.