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 100%
Wind Speed Calm
Barometer 29.83 in (1010.1 mb)
Dewpoint 53°F (12°C)
Visibility NA
Last update 11 Sep 4:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: Increasing clouds, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 68 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a chance of showers. Low around 59. Southwest wind around 5 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.

    Low: 59 °F

    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 63. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 47. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 56. West wind around 10 mph, with gusts as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Showers after 1pm. Mostly cloudy, with a high near 57. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 57 °F

    Breezy.
    Partly Sunny
    then Showers

  • Monday Night

    Monday Night: Showers, mainly before 1am. Mostly cloudy, with a low around 51. Breezy, with a southeast wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph.

    Low: 51 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 62 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
Increasing clouds, with a high near 68. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tonight
Showers and thunderstorms before 4am, then a chance of showers. Low around 59. Southwest wind around 5 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.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 63. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 47. West wind around 10 mph, with gusts as high as 25 mph.
Sunday
Partly sunny, with a high near 56. West wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.
Monday
Showers after 1pm. Mostly cloudy, with a high near 57. Breezy, with a southeast wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Monday Night
Showers, mainly before 1am. Mostly cloudy, with a low around 51. Breezy, with a southeast wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph.
Tuesday
Partly sunny, with a high near 62. Breezy, with a west wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday Night
Partly cloudy, with a low around 48. Northwest wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 61. Northwest wind around 5 mph becoming south in the afternoon.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 50. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 63. Breezy, with a west wind 5 to 15 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
2:52 am CDT Sep 11, 2026
Forecast Valid:
5am CDT Sep 11, 2026-6pm CDT Sep 17, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation