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.

22°F

-6°C

Humidity 55%
Wind Speed SW 13 mph
Barometer 29.92 in (1015.0 mb)
Dewpoint 8°F (-13°C)
Visibility NA
Wind Chill10°F (-12°C)
Last update 17 Mar 9:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: Snow likely, mainly before 1am. Cloudy, with a temperature rising to around 23 by 4am. Breezy, with a southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.

    Low: 19 °F⇑

    Snow Likely
    and Breezy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 37. Southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 37 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 29. West wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 36. North wind around 5 mph becoming south in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 32. Southwest wind around 5 mph.

    Low: 32 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 39. Northeast wind 5 to 10 mph.

    High: 39 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 32. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 38. Breezy, with an east wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 38 °F

    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 27. Blustery, with a north wind around 15 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Chance Snow
    and Blustery

Detailed Forecast

Tonight
Snow likely, mainly before 1am. Cloudy, with a temperature rising to around 23 by 4am. Breezy, with a southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of around an inch possible.
Wednesday
A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 37. Southwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 29. West wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Thursday
Mostly sunny, with a high near 36. North wind around 5 mph becoming south in the afternoon.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 32. Southwest wind around 5 mph.
Friday
A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 39. Northeast wind 5 to 10 mph.
Friday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 32. East wind around 10 mph, with gusts as high as 20 mph.
Saturday
A chance of snow. Mostly cloudy, with a high near 38. Breezy, with an east wind 10 to 15 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 27. Blustery, with a north wind around 15 mph, with gusts as high as 25 mph.
Sunday
A slight chance of snow before 1pm. Mostly sunny, with a high near 35. North wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 19. North wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 34. Breezy, with a northwest wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 27. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of snow. Partly sunny, with a high near 37. Breezy, with a west wind 10 to 15 mph becoming southeast in the afternoon. Winds could gust 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:
9:21 pm CDT Mar 17, 2026
Forecast Valid:
10pm CDT Mar 17, 2026-6pm CDT Mar 24, 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