Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Hazardous Weather Conditions

For More Weather Information:

Duluth, MN Local Forecast Office

10NM SW Grand Portage MN

Marine Point Forecast

[NOTICE]

Sunday
High: 35 °F
⇑N 20kt
< 1ft
Sunday Night
Low: 9 °F
N 25kt
1-2ft

Storm Warning
Monday
High: 14 °F
NNW 25kt
1-2ft

Storm Warning
Monday Night
Low: 4 °F
NNW 20kt
< 1ft

Storm Warning
Tuesday
High: 19 °F
W 10kt
< 1ft
Tuesday Night
Low: 3 °F
NNW 15kt
< 1ft
Wednesday
High: 9 °F
NNW 15kt
< 1ft
Wednesday Night
Low: -4 °F
NW 15kt
< 1ft
New Year's Day
High: 7 °F
WNW 20kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 12:01 am CST Dec 28, 2025
Forecast Valid: 1am CST Dec 28, 2025-6pm CST Jan 3, 2026

View Nearby Observations

Detailed Forecast

Sunday

N wind 5 to 10 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 35 kt. Rain and snow likely before 3pm, then snow. Patchy fog between 7am and 10am, then Patchy fog between 11am and noon. Waves 1 ft or less.

Sunday Night

N wind 20 to 25 kt, with gusts as high as 50 kt. Snow, mainly before 3am. Waves 1 to 2 ft.

Monday

NNW wind 20 to 25 kt, with gusts as high as 45 kt. Mostly cloudy, then gradually becoming sunny. Waves 1 to 2 ft.

Monday Night

NNW wind 10 to 20 kt, with gusts as high as 35 kt. Partly cloudy. Waves 1 ft or less.

Tuesday

W wind 5 to 10 kt, with gusts as high as 20 kt. Snow likely. Waves 1 ft or less.

Tuesday Night

NNW wind 10 to 15 kt, with gusts as high as 30 kt. A slight chance of snow before midnight. Waves 1 ft or less.

Wednesday

NNW wind around 15 kt, with gusts as high as 30 kt. A slight chance of snow after noon. Waves 1 ft or less.

Wednesday Night

NW wind around 15 kt, with gusts as high as 35 kt. Partly cloudy. Waves 1 ft or less.

New Year's Day

WNW wind 15 to 20 kt, with gusts as high as 35 kt. 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.