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.

48°F

9°C

Humidity 96%
Wind Speed E 6 mph
Barometer 29.47 in (998.3 mb)
Dewpoint 47°F (8°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 17 Jun 4:56 pm CDT
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly cloudy, with a high near 49. Northeast wind around 10 mph, with gusts as high as 15 mph.

    High: 49 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming northwest after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers, mainly between 9am and 4pm. Partly sunny, with a high near 54. West wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 54 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 39. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 52. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. West wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 53. West wind 5 to 10 mph.

    High: 53 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Southeast wind around 5 mph becoming calm in the afternoon.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a high near 49. Northeast wind around 10 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 39. Northeast wind around 5 mph becoming northwest after midnight.
Thursday
A 30 percent chance of showers, mainly between 9am and 4pm. Partly sunny, with a high near 54. West wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 39. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Juneteenth
Mostly sunny, with a high near 52. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 39. West wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 53. West wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 53. Southeast wind around 5 mph becoming calm in the afternoon.
Sunday Night
Partly cloudy, with a low around 39. Calm wind becoming north around 5 mph.
Monday
Mostly sunny, with a high near 53. Calm wind becoming east around 5 mph.
Monday Night
Partly cloudy, with a low around 40. Calm wind.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 53. Calm wind becoming southeast around 5 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 40. Calm wind.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 53. Northwest wind around 5 mph becoming calm in the afternoon.
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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 17, 2026
Forecast Valid:
5pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation