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.

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 29.94 in (1013.7 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 15 Jul 9:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: Showers likely, mainly before 11pm. Cloudy, with a low around 52. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 63. East wind around 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 51. East wind around 5 mph becoming north after midnight.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 71. North wind around 5 mph becoming southwest in the afternoon.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 71 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly before 1pm. Partly sunny, with a high near 70. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 70 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely, mainly before 11pm. Cloudy, with a low around 52. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 40 percent chance of showers, mainly before 4pm. Mostly cloudy, with a high near 63. East wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 51. East wind around 5 mph becoming north after midnight.
Thursday
Sunny, with a high near 71. North wind around 5 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 53. Southwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Calm wind.
Saturday
A chance of showers, mainly before 1pm. Partly sunny, with a high near 70. Northeast wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 55. Calm wind.
Sunday
Mostly sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 55. South wind around 5 mph becoming calm.
Monday
A slight chance of showers. Mostly sunny, with a high near 72. Southeast wind around 5 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 56. East wind around 5 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 73. Southeast wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
Last Update:
9:11 pm CDT Jul 15, 2025
Forecast Valid:
10pm CDT Jul 15, 2025-6pm CDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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