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.

37°F

3°C

Humidity 67%
Wind Speed NW 12 G 25 mph
Barometer 30.15 in (1022.0 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 24 Mar 12:56 am CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: A 30 percent chance of snow, mainly before 3am. Mostly cloudy, with a steady temperature around 35. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36. West wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 2am. Mostly cloudy, with a low around 27. East wind around 10 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A chance of snow and freezing rain before 9am, then a chance of rain and snow between 9am and noon, then a chance of snow after noon. Mostly cloudy, with a high near 37. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 37 °F

    Chance Wintry
    Mix then
    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow and freezing rain before 1am, then a chance of freezing rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 25. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Wintry
    Mix and
    Patchy Fog

  • Thursday

    Thursday: A 20 percent chance of snow before 1pm. Partly sunny, with a high near 34. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 34 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 11. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 11 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 15. Northwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly before 3am. Mostly cloudy, with a steady temperature around 35. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 36. West wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A 20 percent chance of snow after 2am. Mostly cloudy, with a low around 27. East wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A chance of snow and freezing rain before 9am, then a chance of rain and snow between 9am and noon, then a chance of snow after noon. Mostly cloudy, with a high near 37. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of snow and freezing rain before 1am, then a chance of freezing rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 25. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Thursday
A 20 percent chance of snow before 1pm. Partly sunny, with a high near 34. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 11. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 29. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 15. Northwest wind around 10 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 36. West wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 22. West wind around 5 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 41. West wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 25. North wind around 5 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 41. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.36°W
Last Update:
1:21 am CDT Mar 24, 2026
Forecast Valid:
1am CDT Mar 24, 2026-6pm CDT Mar 30, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation