Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

62°F

17°C

Humidity 86%
Wind Speed W 12 G 22 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 12 Jul 2:56 pm CDT
Extended Forecast for

Grand Marais MN

Fire Weather Watch July 13, 11:00am until July 13, 09:00pm
Extreme Heat Warning July 12, 03:01pm until July 14, 01:00am
Click here for hazard details and duration
Fire Weather Watch
Extreme Heat Warning
  •  
    Extreme Heat Warning July 12, 03:01pm until July 14, 01:00am

    NOW until 1:00am Tue

    Extreme Heat Warning

  • Tonight

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86. West wind around 5 mph, with gusts as high as 15 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 60. North wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. North wind around 5 mph becoming calm.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 1am.  Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 1pm.  Partly sunny, with a high near 70. Calm wind becoming southeast around 5 mph.

    High: 70 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 64. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 65. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 86. West wind around 5 mph, with gusts as high as 15 mph.
Tuesday Night
Partly cloudy, with a low around 60. North wind around 5 mph.
Wednesday
Mostly sunny, with a high near 78. North wind around 5 mph becoming calm.
Wednesday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 55. Calm wind.
Thursday
A slight chance of showers before 1pm. Partly sunny, with a high near 70. Calm wind becoming southeast around 5 mph.
Thursday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 51. Calm wind becoming northeast around 5 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 68. East wind around 5 mph.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51. East wind around 5 mph becoming calm.
Saturday
A slight chance of showers. Mostly sunny, with a high near 70. North wind around 5 mph becoming south in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52. Calm wind.
Sunday
A chance of showers. Mostly sunny, with a high near 69. Northeast wind around 5 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
2:57 pm CDT Jul 12, 2026
3pm CDT Jul 12, 2026-6pm CDT Jul 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database