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

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

19°F

-7°C

Humidity 65%
Wind Speed N 9 G 21 mph
Barometer 30.05 in (1019.1 mb)
Dewpoint 9°F (-13°C)
Visibility NA
Wind Chill8°F (-13°C)
Last update 21 Feb 5:56 am CST
Extended Forecast for

Grand Marais MN

  • Today

    Today: A slight chance of snow before 5pm, then a chance of flurries after 5pm. Mostly cloudy, with a high near 26. Blustery, with a north wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 26 °F

    Slight Chance
    Snow and
    Blustery

  • Tonight

    Tonight: A chance of flurries before 10pm. Mostly cloudy, with a low around 15. Blustery, with a north wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Chance
    Flurries and
    Blustery

  • Sunday

    Sunday: Partly sunny, with a steady temperature around 18. Blustery, with a north wind around 15 mph, with gusts as high as 30 mph.

    High: 18 °F

    Partly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around -1. Blustery, with a north wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: -1 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 16. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.

    High: 16 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 11. Breezy, with a southeast wind 5 to 15 mph, with gusts as high as 25 mph. New snow accumulation of 1 to 3 inches possible.

    Low: 11 °F

    Slight Chance
    Snow then
    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: A chance of snow. Mostly cloudy, with a high near 27. Breezy, with a south wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 27 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 17. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 17 °F

    Chance Snow

  • Wednesday

    Wednesday: A chance of snow, mainly before noon. Partly sunny, with a high near 26. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 26 °F

    Chance Snow

Detailed Forecast

Today
A slight chance of snow before 5pm, then a chance of flurries after 5pm. Mostly cloudy, with a high near 26. Blustery, with a north wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
A chance of flurries before 10pm. Mostly cloudy, with a low around 15. Blustery, with a north wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a steady temperature around 18. Blustery, with a north wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around -1. Blustery, with a north wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 16. North wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.
Monday Night
A 50 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 11. Breezy, with a southeast wind 5 to 15 mph, with gusts as high as 25 mph. New snow accumulation of 1 to 3 inches possible.
Tuesday
A chance of snow. Mostly cloudy, with a high near 27. Breezy, with a south wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 17. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
A chance of snow, mainly before noon. Partly sunny, with a high near 26. Northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 10. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 29. Northwest wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 20. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A slight chance of snow. Mostly sunny, with a high near 36. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
5:01 am CST Feb 21, 2026
Forecast Valid:
6am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
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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