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.

30°F

-1°C

Humidity 69%
Wind Speed SW 10 mph
Barometer 30.38 in (1030.3 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 23 Mar 10:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: Sunny, with a high near 35. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: A chance of snow or flurries before midnight, then a slight chance of snow between midnight and 2am. Mostly cloudy, with a steady temperature around 35. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance Snow

  • Tuesday

    Tuesday: Mostly sunny, with a steady temperature around 33. Northwest wind around 5 mph becoming southeast in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 1pm. Areas of dense fog before 8am. Otherwise, mostly cloudy, with a high near 36. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 36 °F

    Chance Snow
    and Areas
    Dense Fog

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 26. East wind 5 to 10 mph, with gusts as high as 15 mph. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Chance Snow

  • Thursday

    Thursday: A chance of snow before 1pm. Partly sunny, with a high near 32. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 32 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30. West wind around 10 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 35. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
A chance of snow or flurries before midnight, then a slight chance of snow between midnight and 2am. Mostly cloudy, with a steady temperature around 35. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a steady temperature around 33. Northwest wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
A 30 percent chance of snow, mainly before 1pm. Areas of dense fog before 8am. Otherwise, mostly cloudy, with a high near 36. Northeast wind around 10 mph, with gusts as high as 15 mph.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 26. East wind 5 to 10 mph, with gusts as high as 15 mph. New snow accumulation of less than one inch possible.
Thursday
A chance of snow before 1pm. Partly sunny, with a high near 32. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 13. North wind around 10 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 30. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 20. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 36. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 26. West wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 42. West wind around 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:
6:26 am CDT Mar 23, 2026
Forecast Valid:
11am CDT Mar 23, 2026-6pm CDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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