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.

32°F

0°C

Humidity 85%
Wind Speed E 10 mph
Barometer 29.95 in (1015.2 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 21 Mar 3:56 am CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: A slight chance of rain before 5am, then a chance of snow. Mostly cloudy, with a low around 30. East wind around 10 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: Rain, snow, freezing rain, and sleet before 3pm, then a chance of sprinkles between 3pm and 4pm. High near 39. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

    High: 39 °F

    Wintry Mix
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 23. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 30. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 36. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: A chance of snow, mainly after 1am. Mostly cloudy, with a low around 27. West wind around 5 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Chance Snow

  • Tuesday

    Tuesday: A slight chance of rain and snow before 1pm. Partly sunny, with a high near 39. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.

    High: 39 °F

    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 18. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 18 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
A slight chance of rain before 5am, then a chance of snow. Mostly cloudy, with a low around 30. East wind around 10 mph. Chance of precipitation is 30%.
Saturday
Rain, snow, freezing rain, and sleet before 3pm, then a chance of sprinkles between 3pm and 4pm. High near 39. East wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.
Saturday Night
A slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 23. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 30. Northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 20. Calm wind.
Monday
Sunny, with a high near 36. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 27. West wind around 5 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of rain and snow before 1pm. Partly sunny, with a high near 39. West wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 18. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A chance of snow. Mostly cloudy, with a high near 31. East wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22. East wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Thursday
A chance of rain and snow. Mostly sunny, with a high near 35. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 13. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 30. North wind around 10 mph becoming west 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
 47.74°N 90.36°W
Last Update:
4:08 am CDT Mar 21, 2026
Forecast Valid:
4am CDT Mar 21, 2026-6pm CDT Mar 27, 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