Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

59°F

15°C

Humidity 87%
Wind Speed E 8 mph
Barometer 29.96 in (1014.2 mb)
Dewpoint 55°F (13°C)
Visibility NA
Last update 16 Jul 1:56 am CDT
Extended Forecast for

Grand Marais MN

  • Overnight

    Overnight: A 40 percent chance of showers.  Cloudy, with a low around 49. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly before 4pm.  Cloudy, with a steady temperature around 52. East wind around 10 mph, with gusts as high as 20 mph.

    High: 52 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly before 1am.  Mostly cloudy, with a steady temperature around 54. North wind around 5 mph.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 62. North wind 5 to 10 mph becoming southwest in the afternoon.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. West wind 5 to 10 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 62. Calm wind becoming southwest around 5 mph in the morning.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming north after midnight.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly before 1pm.  Partly sunny, with a high near 61. North wind 5 to 10 mph becoming south in the afternoon.

    High: 61 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. West wind around 5 mph becoming calm.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers. Cloudy, with a low around 49. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of showers, mainly before 4pm. Cloudy, with a steady temperature around 52. East wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a steady temperature around 54. North wind around 5 mph.
Thursday
Sunny, with a high near 62. North wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 51. West wind 5 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 62. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming north after midnight.
Saturday
A chance of showers, mainly before 1pm. Partly sunny, with a high near 61. North wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 52. West wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 64. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
Partly cloudy, with a low around 53. East wind around 5 mph.
Monday
A slight chance of showers. Partly sunny, with a high near 63. East wind 5 to 10 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 53. East wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 64. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
1:40 am CDT Jul 16, 2025
2am CDT Jul 16, 2025-6pm CDT Jul 22, 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