Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Hazardous Weather Conditions

For More Weather Information:

Marquette, MI Local Forecast Office

21NM E Grand Portage MN

Marine Point Forecast

[NOTICE]

Today
High: 14 °F
NW 10kt
< 1ft
Tonight
Low: -2 °F
NW 15kt
< 1ft
Thursday
High: 2 °F
NW 20kt
< 1ft
Thursday Night
Low: -18 °F
NNW 20kt
< 1ft
Friday
High: -8 °F
NW 15kt
< 1ft
Friday Night
Low: -14 °F
NW 10kt
< 1ft
Saturday
High: -1 °F
Light Wind
< 1ft
Saturday Night
Low: -8 °F
Light Wind
< 1ft
Sunday
High: 5 °F
NW 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: 4:13 am CST Jan 21, 2026
Forecast Valid: 5am CST Jan 21, 2026-6pm CST Jan 27, 2026

View Nearby Observations

Detailed Forecast

Today

NW wind 5 to 10 kt, with gusts as high as 15 kt. Snow showers, mainly before 4pm. Waves 1 ft or less.

Tonight

NW wind around 15 kt, with gusts as high as 25 kt. A slight chance of snow showers before 9pm. Waves 1 ft or less.

Thursday

NW wind 15 to 20 kt, with gusts as high as 25 kt. Patchy blowing snow before noon, then patchy blowing snow and a slight chance of snow showers after noon. Waves 1 ft or less.

Thursday Night

NNW wind 15 to 20 kt, with gusts as high as 30 kt. Patchy blowing snow and a slight chance of snow showers before midnight, then a chance of snow showers after midnight. Waves 1 ft or less.

Friday

NW wind 10 to 15 kt, with gusts as high as 25 kt. A chance of snow showers, mainly before noon. Waves 1 ft or less.

Friday Night

NW wind 5 to 10 kt, with gusts as high as 20 kt. Partly cloudy. Waves 1 ft or less.

Saturday

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

Saturday Night

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

Sunday

NW wind 5 to 10 kt. Partly 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.