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.

20°F

-7°C

Humidity 57%
Wind Speed SW 9 mph
Barometer 29.93 in (1015.5 mb)
Dewpoint 7°F (-14°C)
Visibility NA
Wind Chill10°F (-12°C)
Last update 17 Mar 8:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: Snow likely, mainly before 1am. Cloudy, with a low around 16. Breezy, with a south wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 16 °F

    Snow Likely
    and Breezy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 36. Southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 36 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain between midnight and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 25. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: A 10 percent chance of snow before 7am. Mostly sunny, with a high near 36. Calm wind becoming south around 5 mph.

    High: 36 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 28. Calm wind becoming west around 5 mph.

    Low: 28 °F

    Chance Snow

  • Friday

    Friday: A chance of rain and snow before 1pm, then a slight chance of rain. Partly sunny, with a high near 40. Northeast wind around 5 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 29. Northeast wind around 5 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A chance of snow. Mostly cloudy, with a high near 38. East wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 38 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 23. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
Snow likely, mainly before 1am. Cloudy, with a low around 16. Breezy, with a south wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
A 30 percent chance of snow, mainly before 10am. Mostly cloudy, with a high near 36. Southwest wind around 10 mph, with gusts as high as 25 mph.
Wednesday Night
A slight chance of rain between midnight and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 25. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Thursday
A 10 percent chance of snow before 7am. Mostly sunny, with a high near 36. Calm wind becoming south around 5 mph.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 28. Calm wind becoming west around 5 mph.
Friday
A chance of rain and snow before 1pm, then a slight chance of rain. Partly sunny, with a high near 40. Northeast wind around 5 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 29. Northeast wind around 5 mph, with gusts as high as 20 mph.
Saturday
A chance of snow. Mostly cloudy, with a high near 38. East wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 23. North wind around 10 mph, with gusts as high as 25 mph.
Sunday
A slight chance of snow before 1pm. Mostly sunny, with a high near 35. North wind around 10 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 16. North wind around 5 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 34. Northwest wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 23. Southwest wind around 5 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of snow. Partly sunny, with a high near 37. West wind around 5 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
Last Update:
8:11 pm CDT Mar 17, 2026
Forecast Valid:
9pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation