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.

17°C

63°F

Humidity 78%
Wind Speed W 15 km/h
Barometer 1009.7 mb (29.83 in)
Dewpoint 13°C (56°F)
Visibility NA
Last update 13 Jul 12:56 pm CDT
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: Areas of smoke. Sunny, with a high near 23. Breezy, with a southwest wind around 25 km/h, with gusts as high as 40 km/h.

    High: 23 °C

    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 13. West wind 10 to 15 km/h, with gusts as high as 30 km/h.

    Low: 13 °C

    Slight Chance
    T-storms then
    Areas Smoke

  • Monday

    Monday: Areas of smoke. Increasing clouds, with a high near 24. Southwest wind 10 to 15 km/h.

    High: 24 °C

    Areas Smoke

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 7pm. Areas of smoke before 4am, then areas of smoke after 5am. Mostly cloudy, with a low around 13. Calm wind.

    Low: 13 °C

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. Areas of smoke before 7am. High near 21. East wind 5 to 10 km/h becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.

    High: 21 °C

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 11. Northeast wind 10 to 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Low: 11 °C

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 17. Northeast wind around 15 km/h, with gusts as high as 30 km/h.

    High: 17 °C

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 10. Northeast wind 10 to 15 km/h, with gusts as high as 25 km/h.

    Low: 10 °C

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 1pm. Mostly sunny, with a high near 19. North wind around 10 km/h becoming south in the afternoon.

    High: 19 °C

    Chance
    Showers

Detailed Forecast

This Afternoon
Areas of smoke. Sunny, with a high near 23. Breezy, with a southwest wind around 25 km/h, with gusts as high as 40 km/h.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Areas of smoke after 11pm. Partly cloudy, with a low around 13. West wind 10 to 15 km/h, with gusts as high as 30 km/h.
Monday
Areas of smoke. Increasing clouds, with a high near 24. Southwest wind 10 to 15 km/h.
Monday Night
A 50 percent chance of showers and thunderstorms, mainly after 7pm. Areas of smoke before 4am, then areas of smoke after 5am. Mostly cloudy, with a low around 13. Calm wind.
Tuesday
Showers and possibly a thunderstorm. Areas of smoke before 7am. High near 21. East wind 5 to 10 km/h becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 cm possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 11. Northeast wind 10 to 15 km/h, with gusts as high as 30 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 17. 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 10. Northeast wind 10 to 15 km/h, with gusts as high as 25 km/h.
Thursday
A chance of showers before 1pm. Mostly sunny, with a high near 19. North wind around 10 km/h becoming south in the afternoon.
Thursday Night
Mostly clear, with a low around 10. Southwest wind 5 to 10 km/h becoming northwest after midnight.
Friday
Mostly sunny, with a high near 21. Northwest wind 5 to 10 km/h becoming southwest in the afternoon.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 11. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 20. Northwest wind 5 to 10 km/h becoming south in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.36°W
Last Update:
1:40 pm CDT Jul 13, 2025
Forecast Valid:
1pm 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