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.

22°F

-6°C

Humidity 71%
Wind Speed NE 5 mph
Barometer 30.06 in (1019.5 mb)
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill15°F (-9°C)
Last update 29 Mar 4:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: Mostly cloudy, with a high near 36. East wind around 10 mph, with gusts as high as 15 mph.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Northeast wind around 5 mph.

    Low: 29 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 36. Breezy, with an east wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 36 °F

    Partly Sunny
    then Slight
    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: A chance of rain and snow before 4am, then a chance of snow. Mostly cloudy, with a low around 29. Breezy, with a northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: A 50 percent chance of snow. Mostly cloudy, with a high near 32. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 17. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 17 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34. Breezy, with an east wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 36. East wind around 10 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 29. Northeast wind around 5 mph.
Monday
A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 36. Breezy, with an east wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
A chance of rain and snow before 4am, then a chance of snow. Mostly cloudy, with a low around 29. Breezy, with a northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 32. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.
Tuesday Night
A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 17. North wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 30. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 21. East wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 34. Breezy, with an east wind 10 to 20 mph, with gusts as high as 25 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 28. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
A slight chance of snow. Partly sunny, with a high near 37. Breezy, with an east wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 31. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 38. Breezy, with an east wind around 15 mph, with gusts as high as 25 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:
4:01 am CDT Mar 29, 2026
Forecast Valid:
5am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation