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.

28°F

-2°C

Humidity 96%
Wind Speed Calm
Barometer 29.84 in (1011.7 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 15 Feb 6:56 pm CST
Extended Forecast for

Grand Marais MN

Winter Storm Watch February 17, 06:00pm until February 19, 12:00pm
Dense Fog Advisory February 15, 07:12pm until February 15, 10:00pm
Click here for hazard details and duration
Winter Storm Watch
...
  •  
    Dense Fog Advisory February 15, 07:12pm until February 15, 10:00pm

    NOW until 10:00pm Sun

    Dense Fog Advisory

  • Tonight

    Low: 28 °F⇑

    Chance Wintry
    Mix and
    Patchy Dense
    Fog

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 40. Northwest wind around 5 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Breezy, with a light northeast wind becoming east 10 to 15 mph in the morning. Winds could gust as high as 35 mph.

    High: 33 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of snow and freezing rain before 9pm, then snow. The snow could be heavy at times. Patchy blowing snow after 11pm. Low around 24. Breezy, with an east wind 15 to 20 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 24 °F

    Wintry Mix
    and Patchy
    Blowing Snow

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. Areas of blowing snow before 5pm. High near 29. Breezy, with an east wind 15 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 29 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before midnight. Cloudy, with a low around 25. Breezy, with an east wind 10 to 15 mph, with gusts as high as 35 mph.

    Low: 25 °F

    Snow Likely
    and Breezy

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 32. Northeast wind around 10 mph, with gusts as high as 25 mph.

    High: 32 °F

    Chance Snow

Detailed Forecast

Tonight
A chance of rain, snow, and freezing rain before 4am, then a chance of flurries between 4am and 5am. Patchy dense fog before 11pm. Otherwise, cloudy, with a temperature rising to around 32 by 1am. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Washington's Birthday
Sunny, with a high near 40. Northwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 22. Calm wind.
Tuesday
Partly sunny, with a high near 33. Breezy, with a light northeast wind becoming east 10 to 15 mph in the morning. Winds could gust as high as 35 mph.
Tuesday Night
A chance of snow and freezing rain before 9pm, then snow. The snow could be heavy at times. Patchy blowing snow after 11pm. Low around 24. Breezy, with an east wind 15 to 20 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Wednesday
Snow. The snow could be heavy at times. Areas of blowing snow before 5pm. High near 29. Breezy, with an east wind 15 to 20 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Wednesday Night
Snow likely, mainly before midnight. Cloudy, with a low around 25. Breezy, with an east wind 10 to 15 mph, with gusts as high as 35 mph.
Thursday
A chance of snow. Mostly cloudy, with a high near 32. Northeast wind around 10 mph, with gusts as high as 25 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 19. Northeast wind around 10 mph, with gusts as high as 20 mph.
Friday
A chance of snow. Mostly cloudy, with a high near 29. North wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of snow. Mostly cloudy, with a low around 13. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 25. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 8. Northwest wind around 5 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 21. Northwest wind 5 to 10 mph, with gusts 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:
3:41 pm CST Feb 15, 2026
Forecast Valid:
7pm CST Feb 15, 2026-6pm CST Feb 22, 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