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.

46°F

8°C

Humidity 96%
Wind Speed E 10 mph
Barometer 29.98 in (1015.4 mb)
Dewpoint 45°F (7°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 24 Jun 1:56 pm CDT
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly cloudy, with a high near 56. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 56 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 40. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55. Northeast wind around 5 mph becoming calm in the morning.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 40. Northeast wind around 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 55 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Mostly cloudy, with a low around 43. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 57. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 57 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 4pm, then a slight chance of showers. Mostly cloudy, with a high near 56. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers between 7pm and 8pm. Mostly cloudy, with a low around 40. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 55. Northeast wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 40. Calm wind.
Friday
Partly sunny, with a high near 55. Calm wind.
Friday Night
Mostly cloudy, with a low around 40. Northeast wind around 5 mph.
Saturday
Partly sunny, with a high near 55. East wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 43. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 57. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 46. Breezy, with an east wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 62. East wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 47. Breezy, with an east wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 64. Southwest wind 5 to 10 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:
1:21 pm CDT Jun 24, 2026
Forecast Valid:
2pm CDT Jun 24, 2026-6pm CDT Jun 30, 2026
 
Forecast Discussion
 
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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