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.

47°F

8°C

Humidity 69%
Wind Speed E 6 mph
Barometer 30.11 in (1020.2 mb)
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 31 May 12:56 pm CDT
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. East wind around 5 mph becoming calm.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57. Breezy, with an east wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 57 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

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

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 55 °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 61. Calm wind becoming southwest around 5 mph in the morning.

    High: 61 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 44 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 56. Southwest wind 5 to 10 mph.

    High: 56 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 53. East wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 43. Calm wind.
Monday
Sunny, with a high near 57. Breezy, with an east wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly 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 55. Northeast wind around 5 mph becoming calm in the afternoon.
Tuesday Night
Mostly clear, with a low around 42. Calm wind.
Wednesday
Mostly sunny, with a high near 61. Calm wind becoming southwest around 5 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 44. Calm wind.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 56. Southwest wind 5 to 10 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 43. Northwest wind around 5 mph.
Friday
A slight chance of showers. Partly sunny, with a high near 57. Northwest wind 5 to 10 mph becoming south in the afternoon.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 42. Calm wind becoming northeast around 5 mph after midnight.
Saturday
A slight chance of showers. Partly sunny, with a high near 54. Breezy, with an east wind 5 to 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:
1:21 pm CDT May 31, 2026
Forecast Valid:
1pm CDT May 31, 2026-6pm CDT Jun 6, 2026
 
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Additional Resources

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Chance of Precipitation