Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

63°F

17°C

Humidity 68%
Wind Speed Calm
Barometer 30.05 in (1017.4 mb)
Dewpoint 52°F (11°C)
Visibility NA
Last update 20 Jul 7:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: Areas of smoke. Mostly sunny, with a temperature falling to around 58 by 1pm. Northeast wind around 5 mph becoming southwest in the afternoon.

    High: 63 °F

    Areas Smoke

  • Tonight

    Tonight: Areas of smoke between 10pm and 11pm. Partly cloudy, with a low around 53. Southwest wind around 5 mph becoming north after midnight.

    Low: 53 °F

    Areas Smoke
    then Partly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 62. East wind around 5 mph.

    High: 62 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 10pm.  Mostly cloudy, with a low around 53. East wind 5 to 10 mph, with gusts as high as 15 mph.  Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 64. Southeast wind around 5 mph.  Chance of precipitation is 40%.

    High: 64 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 58. Southeast wind around 5 mph becoming southwest after midnight.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Mostly cloudy, with a high near 69. Southwest wind around 5 mph.

    High: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 58. West wind around 5 mph becoming northwest after midnight.

    Low: 58 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly before 1pm.  Partly sunny, with a high near 68. North wind around 5 mph becoming southwest in the afternoon.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

Today
Areas of smoke. Mostly sunny, with a temperature falling to around 58 by 1pm. Northeast wind around 5 mph becoming southwest in the afternoon.
Tonight
Areas of smoke between 10pm and 11pm. Partly cloudy, with a low around 53. Southwest wind around 5 mph becoming north after midnight.
Monday
Partly sunny, with a high near 62. East wind around 5 mph.
Monday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 53. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 64. Southeast wind around 5 mph. Chance of precipitation is 40%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. Southeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Southwest wind around 5 mph.
Wednesday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 58. West wind around 5 mph becoming northwest after midnight.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 68. North wind around 5 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. Northwest wind around 5 mph.
Friday
Sunny, with a high near 67. Northwest wind around 5 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 56. South wind around 5 mph becoming calm.
Saturday
A slight chance of showers. Mostly sunny, with a high near 67. South wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
7:39 am CDT Jul 20, 2025
8am CDT Jul 20, 2025-6pm CDT Jul 26, 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