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 72%
Wind Speed Vrbl 6 mph
Barometer 29.89 in (1013.1 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 22 Mar 12:56 am CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: Mostly cloudy, with a low around 22. Blustery, with a north wind around 15 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Blustery, with a north wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 25 mph.

    High: 31 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. East wind around 5 mph becoming west after midnight.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 36. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 28. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 37. Northwest wind around 5 mph becoming east in the afternoon.

    High: 37 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 21. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 31. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 31 °F

    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of snow before 1am, then rain and snow likely. Mostly cloudy, with a low around 26. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Breezy.
    Chance Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 22. Blustery, with a north wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 31. Blustery, with a north wind 5 to 15 mph becoming east in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 22. East wind around 5 mph becoming west after midnight.
Monday
Sunny, with a high near 36. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Monday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 28. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 37. Northwest wind around 5 mph becoming east in the afternoon.
Tuesday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 21. 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. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of snow before 1am, then rain and snow likely. Mostly cloudy, with a low around 26. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A chance of rain and snow before 1pm. Partly sunny, with a high near 38. Breezy, with a west wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 12. Blustery, with a north wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 30. West wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 20. West wind around 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 36. Breezy, with a west wind 10 to 15 mph, with gusts as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
1:21 am CDT Mar 22, 2026
Forecast Valid:
1am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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