Hot in Parts of the West; Cold Blast Coming to the Central U.S.

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >

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 90%
Wind Speed Calm
Barometer 30.20 in (1022.3 mb)
Dewpoint 59°F (15°C)
Visibility NA
Last update 31 Aug 10:56 pm CDT
Extended Forecast for

Grand Marais MN

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Slight Chance
    T-storms

  • Labor Day

    Labor Day: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 71. Southwest wind around 5 mph.

    High: 71 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. West wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 69. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 69 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 50. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 59. Breezy, with a north wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers.  Mostly cloudy, with a low around 42. North wind around 10 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers.  Mostly cloudy, with a high near 53. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers.  Cloudy, with a low around 43. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Calm wind.
Labor Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 71. Southwest wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 57. West wind around 5 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 69. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 50. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 59. Breezy, with a north wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 42. North wind around 10 mph, with gusts as high as 25 mph.
Thursday
A chance of showers. Mostly cloudy, with a high near 53. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers. Cloudy, with a low around 43. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 56. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 44. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 57. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 45. Northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 60. West wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.36°W
11:40 pm CDT Aug 31, 2025
11pm CDT Aug 31, 2025-6pm CDT Sep 7, 2025
 
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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