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.

67°F

19°C

Humidity 76%
Wind Speed W 9 mph
Barometer 29.86 in (1010.7 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 1 Sep 11:56 am CDT
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 68. Breezy, with a southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 66. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 66 °F

    Mostly Sunny

  • 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 56. Northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 63. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Breezy.
    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 56. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers after 1pm. Mostly cloudy, with a high near 66. East wind 5 to 10 mph.

    High: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 68. Breezy, with a southwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 58. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 55. Calm wind.
Thursday
Mostly sunny, with a high near 66. East wind 5 to 10 mph, with gusts as high as 15 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 56. Northeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 1pm. Mostly cloudy, with a high near 63. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 56. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 66. East wind 5 to 10 mph.
Saturday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 57. East wind 5 to 10 mph becoming light and variable after midnight.
Sunday
A slight chance of showers. Partly sunny, with a high near 69. Northwest wind around 5 mph becoming west in the afternoon.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 52. Northeast wind around 5 mph.
Labor Day
A slight chance of showers. Mostly cloudy, with a high near 59. East wind around 10 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
Last Update:
12:11 pm CDT Sep 1, 2026
Forecast Valid:
1pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
Forecast Discussion
 
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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