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.

42°F

6°C

Humidity 68%
Wind Speed E 15 G 23 mph
Barometer 29.73 in (1007.0 mb)
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 23 Apr 9:56 am CDT
Extended Forecast for

Grand Marais MN

  • Today

    Today: A 30 percent chance of rain 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.
    Cloudy then
    Chance
    T-storms

  • Tonight

    Tonight: Rain and possibly a thunderstorm. Low around 41. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    Rain and
    Breezy

  • Friday

    Friday: Rain and possibly a thunderstorm before 1pm, then a slight chance of rain between 1pm and 2pm. High near 50. North wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain then
    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 35. Northwest wind around 5 mph.

    Low: 35 °F

    Partly Cloudy
    then 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 rain 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
Rain and possibly a thunderstorm. Low around 41. Breezy, with an east wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Friday
Rain and possibly a thunderstorm before 1pm, then a slight chance of rain between 1pm and 2pm. High near 50. North wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 20 percent chance of showers after 1am. 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Marais MN
 47.74°N 90.36°W
Last Update:
9:14 am CDT Apr 23, 2026
Forecast Valid:
10am CDT Apr 23, 2026-6pm CDT Apr 29, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation