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.

38°F

3°C

Humidity 55%
Wind Speed Vrbl 6 mph
Barometer 30.16 in (1022.3 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 9 Apr 5:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Northwest wind around 5 mph becoming calm.

    Low: 29 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40. Northwest wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 15 mph.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. West wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 41. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers. Low around 37. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers

  • Sunday

    Sunday: Rain, with thunderstorms also possible after 1pm. High near 48. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 40. Northeast wind around 5 mph becoming northwest in the evening. Winds could gust as high as 15 mph.

    Low: 40 °F

    Rain Likely

  • Monday

    Monday: A slight chance of rain. Partly sunny, with a high near 48. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.

    High: 48 °F

    Slight Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Breezy, with a northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Rain Likely
    and Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 29. Northwest wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 40. Northwest wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 15 mph.
Friday Night
Mostly clear, with a low around 30. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 41. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Showers. Low around 37. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain, with thunderstorms also possible after 1pm. High near 48. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 40. Northeast wind around 5 mph becoming northwest in the evening. Winds could gust as high as 15 mph.
Monday
A slight chance of rain. Partly sunny, with a high near 48. North wind around 5 mph becoming east in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Breezy, with a northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of rain before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Mostly cloudy, with a high near 41. Breezy, with an east wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 33. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 42. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35. North wind around 10 mph becoming northwest after midnight. Winds could gust as high as 15 mph.
Thursday
A slight chance of rain. Mostly sunny, with a high near 49. West wind 5 to 10 mph, with gusts as high as 15 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:
6:07 pm CDT Apr 9, 2026
Forecast Valid:
6pm CDT Apr 9, 2026-6pm CDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation