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.

29°F

-2°C

Humidity 89%
Wind Speed Calm
Barometer 29.91 in (1014.0 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Last update 29 Mar 8:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Calm wind becoming north around 5 mph after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow before 3pm, then a slight chance of snow after 4pm. Mostly cloudy, with a high near 35. Breezy, with an east wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 35 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    and Breezy

  • Monday Night

    Monday Night: A chance of snow and sleet between 1am and 4am, then a chance of snow and freezing rain after 4am. Mostly cloudy, with a low around 30. Breezy, with a northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow and sleet accumulation of less than a half inch possible.

    Low: 30 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Wintry Mix

  • Tuesday

    Tuesday: Snow and freezing rain likely, becoming all snow after 10am. Mostly cloudy, with a high near 34. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.

    High: 34 °F

    Wintry Mix
    Likely and
    Breezy then
    Snow Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 31. North wind 5 to 10 mph becoming east in the afternoon.

    High: 31 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Thursday

    Thursday: A chance of snow after 1pm. Partly sunny, with a high near 33. Windy, with an east wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 33 °F

    Partly Sunny
    and Breezy
    then Chance
    Snow and
    Windy

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 28. Windy, with an east wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 28 °F

    Chance Snow
    and Windy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. Calm wind becoming north around 5 mph after midnight.
Monday
A slight chance of snow before 3pm, then a slight chance of snow after 4pm. Mostly cloudy, with a high near 35. Breezy, with an east wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
A chance of snow and sleet between 1am and 4am, then a chance of snow and freezing rain after 4am. Mostly cloudy, with a low around 30. Breezy, with a northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New snow and sleet accumulation of less than a half inch possible.
Tuesday
Snow and freezing rain likely, becoming all snow after 10am. Mostly cloudy, with a high near 34. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Tuesday Night
Partly cloudy, with a low around 20. North wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 31. North wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 22. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A chance of snow after 1pm. Partly sunny, with a high near 33. Windy, with an east wind 15 to 25 mph, with gusts as high as 35 mph.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 28. Windy, with an east wind 20 to 25 mph, with gusts as high as 40 mph.
Friday
A slight chance of snow. Partly sunny, with a high near 37. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 32. Breezy, with an east wind around 20 mph, with gusts as high as 30 mph.
Saturday
Rain and snow likely. Mostly cloudy, with a high near 38. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
A chance of snow. Partly sunny, with a high near 38. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 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:
8:37 pm CDT Mar 29, 2026
Forecast Valid:
9pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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