Hazardous Weather Conditions

Current conditions at

Grand Marais, The Bay of Grand Marais (KGNA)

Lat: 47.75°NLon: 90.34°WElev: 610ft.

65°F

18°C

Humidity 78%
Wind Speed S 3 mph
Barometer 29.91 in (1012.2 mb)
Dewpoint 58°F (14°C)
Visibility NA
Last update 2 Sep 7:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: Mostly sunny, with a high near 69. Northwest wind around 5 mph becoming southwest in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Northeast wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 15 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy during the early evening, then becoming cloudy, with a low around 55. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Friday

    Friday: Partly sunny, with a high near 63. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. Northeast wind around 10 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 67. East wind 5 to 10 mph.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 59. East wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 72. Calm wind becoming southeast around 5 mph in the morning.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 69. Northwest wind around 5 mph becoming southwest in the afternoon.
Tonight
Mostly clear, with a low around 55. Calm wind.
Thursday
Mostly sunny, with a high near 66. Northeast wind 5 to 10 mph becoming east in the morning. Winds could gust as high as 15 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy during the early evening, then becoming cloudy, with a low around 55. Northeast wind around 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 63. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 55. Northeast wind around 10 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 67. East wind 5 to 10 mph.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Calm wind becoming southeast around 5 mph in the morning.
Sunday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 56. North wind 5 to 10 mph, with gusts as high as 15 mph.
Labor Day
A slight chance of showers. Mostly cloudy, with a high near 65. Breezy, with an east wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 65. Breezy, with an east wind around 15 mph, with gusts as high as 25 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.33°W
6:26 am CDT Sep 2, 2026
8am CDT Sep 2, 2026-6pm CDT Sep 8, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database