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 78%
Wind Speed E 3 mph
Barometer 29.96 in (1015.8 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 30 Mar 8:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: Mostly cloudy, with a high near 36. Breezy, with a southeast wind 5 to 10 mph becoming northeast 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 36 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tonight

    Tonight: A 50 percent chance of snow showers, mainly after 4am. Mostly cloudy, with a steady temperature around 33. Breezy, with a northeast wind around 15 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Breezy.
    Cloudy then
    Chance Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 34. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Snow Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers before 1am. Partly cloudy, with a low around 20. South wind around 5 mph becoming north in the evening. Winds could gust as high as 20 mph.

    Low: 20 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 29. East wind around 10 mph, with gusts as high as 15 mph.

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. Breezy, with an east wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Mostly Cloudy
    and Breezy

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 32. Windy, with an east wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 32 °F

    Chance Snow
    and Windy

  • Thursday Night

    Thursday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 27. Windy, with a northeast wind 25 to 30 mph, with gusts as high as 45 mph.

    Low: 27 °F

    Snow Likely
    and Windy

  • Friday

    Friday: A slight chance of snow before 1pm. Partly sunny, with a high near 36. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 36 °F

    Slight Chance
    Snow and
    Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 36. Breezy, with a southeast wind 5 to 10 mph becoming northeast 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
A 50 percent chance of snow showers, mainly after 4am. Mostly cloudy, with a steady temperature around 33. Breezy, with a northeast wind around 15 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Tuesday
Snow showers likely, mainly before 1pm. Mostly cloudy, with a high near 34. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Tuesday Night
A 30 percent chance of snow showers before 1am. Partly cloudy, with a low around 20. South wind around 5 mph becoming north in the evening. Winds could gust as high as 20 mph.
Wednesday
Mostly sunny, with a high near 29. East wind around 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 24. Breezy, with an east wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday
A chance of snow. Mostly cloudy, with a high near 32. Windy, with an east wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph.
Thursday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 27. Windy, with a northeast wind 25 to 30 mph, with gusts as high as 45 mph.
Friday
A slight chance of snow before 1pm. Partly sunny, with a high near 36. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 30. Windy, with an east wind 15 to 25 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 28. Blustery, with a north wind 15 to 20 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 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:
8:26 am CDT Mar 30, 2026
Forecast Valid:
9am CDT Mar 30, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation