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.

48°F

9°C

Humidity 44%
Wind Speed E 13 mph
Barometer 29.75 in (1007.7 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 23 Apr 6:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 4pm. Cloudy, with a high near 50. Breezy, with an east wind around 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Breezy.
    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 41. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    Showers and
    Breezy

  • Friday

    Friday: Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 50. Breezy, with a north wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: A 20 percent chance of showers after 7pm. Mostly clear, with a low around 35. Northwest wind around 5 mph.

    Low: 35 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 50. Northwest wind 5 to 10 mph becoming south in the afternoon.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 37. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Monday

    Monday: A chance of rain. Partly sunny, with a high near 47. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 47 °F

    Chance Rain
    and Breezy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 4pm. Cloudy, with a high near 50. Breezy, with an east wind around 15 mph, with gusts as high as 25 mph.
Tonight
Showers and possibly a thunderstorm. Low around 41. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 50. Breezy, with a north wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 20 percent chance of showers after 7pm. Mostly clear, with a low around 35. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 50. Northwest wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Partly cloudy, with a low around 36. Calm wind.
Sunday
Mostly sunny, with a high near 48. Light east wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 37. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
A chance of rain. Partly sunny, with a high near 47. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
Rain likely. Mostly cloudy, with a low around 37. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday
A chance of rain. Mostly cloudy, with a high near 46. Breezy, with a northwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 35. West wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 46. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.36°W
Last Update:
5:06 am CDT Apr 23, 2026
Forecast Valid:
7am CDT Apr 23, 2026-6pm CDT Apr 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation