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.

30°F

-1°C

Humidity 75%
Wind Speed Calm
Barometer 30.04 in (1018.1 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Last update 2 May 6:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: Increasing clouds, with a high near 45. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 45 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 8pm and 4am. Mostly cloudy, with a steady temperature around 42. East wind around 5 mph becoming calm.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: A 10 percent chance of showers before 7am. Mostly sunny, with a high near 50. Breezy, with a northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 50 °F

    Slight Chance
    Showers then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 48. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 45. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
A 40 percent chance of showers, mainly between 8pm and 4am. Mostly cloudy, with a steady temperature around 42. East wind around 5 mph becoming calm.
Sunday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 50. Breezy, with a northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 40. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 48. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 33. Breezy, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 42. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 42. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 33. West wind around 5 mph becoming northwest after midnight.
Thursday
Partly sunny, with a high near 43. Northwest wind around 5 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 35. Northwest wind around 5 mph.
Friday
Mostly sunny, with a high near 47. West 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:
6:11 am CDT May 2, 2026
Forecast Valid:
7am CDT May 2, 2026-6pm CDT May 8, 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