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.

53°F

12°C

Humidity 77%
Wind Speed W 7 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 46°F (8°C)
Visibility NA
Wind Chill51°F (11°C)
Last update 5 Aug 8:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: Sunny, with a high near 57. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 57 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64. Breezy, with a southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 64 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 49. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 64. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. West wind around 5 mph, with gusts as high as 15 mph.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 67. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 57. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 44. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 64. Breezy, with a southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 49. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 64. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 45. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 65. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 50. West wind around 5 mph, with gusts as high as 15 mph.
Sunday
Mostly sunny, with a high near 67. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Mostly cloudy, with a low around 50. Northwest wind around 5 mph.
Monday
Partly sunny, with a high near 66. North wind around 5 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 50. Northwest wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 66. North wind around 5 mph becoming southwest in the afternoon. Winds could gust 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:
5:52 am CDT Aug 5, 2026
Forecast Valid:
9am CDT Aug 5, 2026-6pm CDT Aug 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation