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.

62°F

17°C

Humidity 80%
Wind Speed W 8 mph
Barometer 29.84 in (1010.1 mb)
Dewpoint 56°F (13°C)
Visibility NA
Last update 13 Jul 11:56 am CDT
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: Areas of smoke. Sunny, with a high near 76. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Areas Smoke
    and Breezy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Areas of smoke after 11pm. Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 60 °F

    Slight Chance
    T-storms then
    Areas Smoke

  • Monday

    Monday: Areas of smoke. Increasing clouds, with a high near 79. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 79 °F

    Areas Smoke

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 7pm. Areas of smoke before midnight, then areas of smoke after 5am. Mostly cloudy, with a low around 58. Calm wind becoming east around 5 mph.

    Low: 58 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Areas of smoke before 7am. Mostly cloudy, with a high near 73. East wind around 5 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 53. North wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 51. North wind around 5 mph.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 1pm. Mostly sunny, with a high near 70. North wind around 5 mph becoming south in the afternoon.

    High: 70 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Areas of smoke. Sunny, with a high near 76. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Areas of smoke after 11pm. Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Monday
Areas of smoke. Increasing clouds, with a high near 79. Northwest wind around 5 mph becoming southwest in the afternoon.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 7pm. Areas of smoke before midnight, then areas of smoke after 5am. Mostly cloudy, with a low around 58. Calm wind becoming east around 5 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Areas of smoke before 7am. Mostly cloudy, with a high near 73. East wind around 5 mph becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 53. North wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Northeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51. North wind around 5 mph.
Thursday
A slight chance of showers before 1pm. Mostly sunny, with a high near 70. North wind around 5 mph becoming south in the afternoon.
Thursday Night
Partly cloudy, with a low around 54. Southwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 71. Northwest wind around 5 mph becoming southwest in the afternoon.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54. Southwest wind around 5 mph becoming northwest after midnight.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 70. Northeast wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
Last Update:
12:11 pm CDT Jul 13, 2025
Forecast Valid:
12pm CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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