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.

16°C

61°F

Humidity 81%
Wind Speed W 11 km/h
Barometer 1010.1 mb (29.84 in)
Dewpoint 13°C (55°F)
Visibility NA
Last update 13 Jul 8:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 5pm. Areas of smoke. Mostly sunny, with a high near 24. Southwest wind 15 to 20 km/h, with gusts as high as 35 km/h.

    High: 24 °C

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Areas of smoke after 11pm. Partly cloudy, with a low around 14. West wind 10 to 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 30%.

    Low: 14 °C

    Chance
    Showers then
    Areas Smoke

  • Monday

    Monday: Areas of smoke. Mostly sunny, with a high near 25. Northwest wind 10 to 15 km/h becoming southwest in the afternoon.

    High: 25 °C

    Areas Smoke

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 14. Calm wind.

    Low: 14 °C

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 23. East wind around 10 km/h becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 23 °C

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 12. North wind around 10 km/h, with gusts as high as 25 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.

    Low: 12 °C

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 19. Northeast wind around 15 km/h, with gusts as high as 30 km/h.

    High: 19 °C

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 11. North wind around 10 km/h.

    Low: 11 °C

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 1pm. Mostly sunny, with a high near 21. North wind around 10 km/h becoming south in the afternoon.

    High: 21 °C

    Slight Chance
    Showers

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 5pm. Areas of smoke. Mostly sunny, with a high near 24. Southwest wind 15 to 20 km/h, with gusts as high as 35 km/h.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Areas of smoke after 11pm. Partly cloudy, with a low around 14. West wind 10 to 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 30%.
Monday
Areas of smoke. Mostly sunny, with a high near 25. Northwest wind 10 to 15 km/h becoming southwest in the afternoon.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 14. Calm wind.
Tuesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 23. East wind around 10 km/h becoming west in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.
Tuesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 12. North wind around 10 km/h, with gusts as high as 25 km/h. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 cm possible.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 19. Northeast wind around 15 km/h, with gusts as high as 30 km/h.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 11. North wind around 10 km/h.
Thursday
A slight chance of showers before 1pm. Mostly sunny, with a high near 21. North wind around 10 km/h becoming south in the afternoon.
Thursday Night
Partly cloudy, with a low around 12. Southwest wind 5 to 10 km/h becoming northwest after midnight.
Friday
Mostly sunny, with a high near 22. Northwest wind 5 to 10 km/h becoming southwest in the afternoon.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 12. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 21. Northeast wind 5 to 10 km/h.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
Last Update:
9:11 am CDT Jul 13, 2025
Forecast Valid:
9am 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