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.

69°F

21°C

Humidity 68%
Wind Speed W 5 mph
Barometer 29.75 in (1007.1 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 12 Jul 7:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm. Areas of smoke. Partly cloudy, with a low around 55. West wind around 10 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Slight Chance
    Showers then
    Areas Smoke

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm. Areas of smoke. Mostly sunny, with a high near 74. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Areas Smoke
    then Slight
    Chance
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Areas of smoke before 10pm, then areas of smoke after 4am. Partly cloudy, with a low around 56. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Areas of smoke before 8am. Mostly sunny, with a high near 75. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 75 °F

    Areas Smoke
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm. Chance of precipitation is 50%.

    Low: 55 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. East wind around 5 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 53. North wind around 5 mph.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 64. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 64 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. North wind around 5 mph.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before 10pm. Areas of smoke. Partly cloudy, with a low around 55. West wind around 10 mph, with gusts as high as 15 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Areas of smoke. Mostly sunny, with a high near 74. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Areas of smoke before 10pm, then areas of smoke after 4am. Partly cloudy, with a low around 56. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Areas of smoke before 8am. Mostly sunny, with a high near 75. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Monday Night
A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm. Chance of precipitation is 50%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. East wind around 5 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 53. North wind around 5 mph.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 64. East wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. North wind around 5 mph.
Thursday
Mostly sunny, with a high near 65. North wind around 5 mph becoming southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 49. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 68. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers. Mostly sunny, with a high near 68. North wind around 5 mph becoming southeast in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.36°W
Last Update:
7:27 pm CDT Jul 12, 2025
Forecast Valid:
8pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation