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.

33°F

1°C

Humidity 64%
Wind Speed Vrbl 3 mph
Barometer 29.93 in (1014.4 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Last update 31 Mar 2:56 am CDT
Extended Forecast for

Grand Marais MN

Winter Weather Advisory until March 31, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until March 31, 07:00pm

    NOW until 7:00pm Tue

    Winter Weather Advisory

  • Overnight

    Low: 31 °F

    Snow Likely
    and Blustery

  • Tuesday

    Tuesday: Snow likely, mainly before noon. Mostly cloudy, with a steady temperature around 30. Blustery, with a northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Snow Likely
    and Blustery
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before 9pm. Mostly cloudy, with a low around 18. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 18 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 30 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 21. Breezy, with an east wind around 15 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Breezy.
    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times. Patchy blowing snow after 10am. High near 32. Breezy, with an east wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.

    High: 32 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Snow, mainly before 1am. Patchy blowing snow before midnight. Mostly cloudy, with a low around 26. Blustery, with a north wind 10 to 20 mph, with gusts as high as 40 mph.

    Low: 26 °F

    Snow and
    Patchy
    Blowing Snow

  • Friday

    Friday: A slight chance of snow. Partly sunny, with a high near 37. North wind around 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 37 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
Snow likely, mainly after 5am. Mostly cloudy, with a steady temperature around 31. Blustery, with a northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly before noon. Mostly cloudy, with a steady temperature around 30. Blustery, with a northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
A 30 percent chance of snow, mainly before 9pm. Mostly cloudy, with a low around 18. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Partly sunny, with a high near 30. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 21. Breezy, with an east wind around 15 mph, with gusts as high as 30 mph.
Thursday
Snow. The snow could be heavy at times. Patchy blowing snow after 10am. High near 32. Breezy, with an east wind 15 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 7 inches possible.
Thursday Night
Snow, mainly before 1am. Patchy blowing snow before midnight. Mostly cloudy, with a low around 26. Blustery, with a north wind 10 to 20 mph, with gusts as high as 40 mph.
Friday
A slight chance of snow. Partly sunny, with a high near 37. North wind around 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 27. Breezy, with an east wind 10 to 20 mph, with gusts as high as 35 mph.
Saturday
Snow likely. Mostly cloudy, with a high near 36. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24. Blustery, with a north wind around 15 mph, with gusts as high as 30 mph.
Sunday
A slight chance of snow. Mostly sunny, with a high near 38. Breezy, with a north wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 25. Northwest wind around 5 mph.
Monday
A slight chance of snow. Partly sunny, with a high near 36. North wind around 5 mph becoming southeast 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:
2:46 am CDT Mar 31, 2026
Forecast Valid:
3am CDT Mar 31, 2026-6pm CDT Apr 6, 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