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.

27°F

-3°C

Humidity 66%
Wind Speed E 3 G 20 mph
Barometer 29.71 in (1007.3 mb)
Dewpoint 17°F (-8°C)
Visibility NA
Last update 20 Feb 3:56 pm CST
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Mostly cloudy, with a high near 27. East wind around 5 mph, with gusts as high as 15 mph.

    High: 27 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A slight chance of snow before 1am, then a chance of flurries between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 17. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 3pm. Partly sunny, with a high near 28. North wind around 10 mph, with gusts as high as 20 mph.

    High: 28 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of flurries before midnight. Mostly cloudy, with a low around 16. Blustery, with a north wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Blustery

  • Sunday

    Sunday: Partly sunny, with a high near 23. Blustery, with a north wind around 15 mph, with gusts as high as 30 mph.

    High: 23 °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

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 17. North wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 17 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow, mainly after midnight. Mostly cloudy, with a low around 12. Breezy, with a southeast wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 12 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Snow likely, mainly before noon. Mostly cloudy, with a high near 26. Breezy, with a south wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 26 °F

    Snow Likely
    and Breezy

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Mostly cloudy, with a high near 27. East wind around 5 mph, with gusts as high as 15 mph.
Tonight
A slight chance of snow before 1am, then a chance of flurries between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 17. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
A 30 percent chance of snow, mainly after 3pm. Partly sunny, with a high near 28. North wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of flurries before midnight. Mostly cloudy, with a low around 16. Blustery, with a north wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 23. 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 17. North wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A chance of snow, mainly after midnight. Mostly cloudy, with a low around 12. Breezy, with a southeast wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday
Snow likely, mainly before noon. Mostly cloudy, with a high near 26. Breezy, with a south wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 16. South wind 5 to 10 mph becoming northwest in the evening. Winds could gust as high as 20 mph.
Wednesday
A slight chance of snow. Mostly 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 11. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 27. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 20. West wind around 5 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 38. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
4:41 pm CST Feb 20, 2026
Forecast Valid:
4pm CST Feb 20, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation