National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 56%
Wind Speed E 8 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 46°F (8°C)
Visibility NA
Last update 3 Jul 11:56 am CDT
Extended Forecast for

Grand Marais MN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 70. East wind around 5 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 54. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Independence Day

    Independence Day: A 50 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 74. East wind around 5 mph becoming south in the afternoon.

    High: 74 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 76. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 55. North wind around 5 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers. Mostly sunny, with a high near 69. North wind around 5 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. East wind around 5 mph.
Tonight
A slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 54. Northeast wind around 5 mph. Chance of precipitation is 20%.
Independence Day
A 50 percent chance of showers and thunderstorms, mainly before 11am. Partly sunny, with a high near 74. East wind around 5 mph becoming south in the afternoon.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm. High near 76. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 55. North wind around 5 mph, with gusts as high as 15 mph.
Sunday
A slight chance of showers. Mostly sunny, with a high near 69. North wind around 5 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 51. Southwest wind around 5 mph becoming calm.
Monday
Sunny, with a high near 68. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 51. East wind around 5 mph becoming calm.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 66. Southeast wind around 5 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71. Southwest wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.76°N 90.33°W
Last Update:
11:26 am CDT Jul 3, 2025
Forecast Valid:
12pm CDT Jul 3, 2025-6pm CDT Jul 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation