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.

43°F

6°C

Humidity 86%
Wind Speed Calm
Barometer 30.06 in (1018.3 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 1 Jun 12:56 am CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 45. Calm wind.

    Low: 45 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. Breezy, with an east wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Clear, with a low around 41. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. East wind around 5 mph becoming southeast in the afternoon.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Calm wind becoming southwest around 5 mph in the morning.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 57. Southwest wind around 5 mph.

    High: 57 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. West wind around 5 mph becoming northwest after midnight.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 45. Calm wind.
Monday
Sunny, with a high near 55. Breezy, with an east wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 41. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 56. East wind around 5 mph becoming southeast in the afternoon.
Tuesday Night
Mostly clear, with a low around 42. Calm wind.
Wednesday
Mostly sunny, with a high near 58. Calm wind becoming southwest around 5 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 44. Calm wind.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 57. Southwest wind around 5 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. West wind around 5 mph becoming northwest after midnight.
Friday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 61. North wind around 5 mph becoming south in the afternoon.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 46. Northeast wind around 5 mph.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 61. East wind 5 to 10 mph.
Saturday Night
A slight chance of showers. Partly cloudy, with a low around 47. Northeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 63. East 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:
1:21 am CDT Jun 1, 2026
Forecast Valid:
1am CDT Jun 1, 2026-6pm CDT Jun 7, 2026
 
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Additional Resources

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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