National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

25°F

-4°C

Humidity 40%
Wind Speed Calm
Barometer 30.07 in (1019.6 mb)
Dewpoint 4°F (-16°C)
Visibility NA
Last update 11 Mar 11:56 pm CDT
Extended Forecast for

Grand Marais MN

Blizzard Warning March 12, 01:00pm until March 13, 01:00pm
Click here for hazard details and duration
Blizzard Warning

  • Overnight

    Overnight: Mostly clear, with a low around 15. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 15 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 30. Breezy, with a northwest wind 5 to 10 mph becoming east 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 30 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Snow, mainly after 7pm. The snow could be heavy at times. Steady temperature around 29. Windy, with an east wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    Low: 29 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: A 40 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 30. Windy, with a north wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 30 °F

    Chance Snow
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16. Blustery, with a northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 16 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 31. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 31 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17. Southwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 24. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 24 °F

    Chance Snow
    and Blustery

  • Sunday Night

    Sunday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 8. Windy, with a north wind 15 to 25 mph, with gusts as high as 40 mph.

    Low: 8 °F

    Chance Snow
    and Windy

Detailed Forecast

Overnight
Mostly clear, with a low around 15. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 30. Breezy, with a northwest wind 5 to 10 mph becoming east 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Snow, mainly after 7pm. The snow could be heavy at times. Steady temperature around 29. Windy, with an east wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Friday
A 40 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 30. Windy, with a north wind 15 to 25 mph, with gusts as high as 40 mph.
Friday Night
Mostly cloudy, with a low around 16. Blustery, with a northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 31. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Saturday Night
Mostly cloudy, with a low around 17. Southwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 20 mph.
Sunday
A chance of snow. Mostly cloudy, with a high near 24. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 8. Windy, with a north wind 15 to 25 mph, with gusts as high as 40 mph.
Monday
Partly sunny, with a high near 20. Blustery, with a north wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
Mostly clear, with a low around 6. Blustery, with a northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 23. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 15. Southwest wind around 5 mph.
Wednesday
A slight chance of snow. Partly sunny, with a high near 31. South wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
11:42 pm CDT Mar 11, 2026
Forecast Valid:
12am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation