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.

38°F

3°C

Humidity 86%
Wind Speed W 12 mph
Barometer 30.06 in (1018.8 mb)
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 25 Apr 12:56 pm CDT
Extended Forecast for

Grand Marais MN

Flood Advisory April 25, 01:26pm until April 25, 06:45pm
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory April 25, 01:26pm until April 25, 06:45pm

    NOW until 6:45pm Sat

    Flood Advisory

  • This Afternoon

    High: 45 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 39. Calm wind becoming northeast around 5 mph.

    Low: 39 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely before 4pm, then a chance of showers after 5pm. Mostly cloudy, with a steady temperature around 41. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 39. Northeast wind around 10 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Showers, mainly after 1pm. High near 47. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers. Low around 40. Breezy, with an east wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers before 1pm. Partly sunny, with a high near 47. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 47 °F

    Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 45. Calm wind becoming south around 5 mph.
Tonight
A 40 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 39. Calm wind becoming northeast around 5 mph.
Sunday
Showers likely before 4pm, then a chance of showers after 5pm. Mostly cloudy, with a steady temperature around 41. East wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 30 percent chance of showers before 7pm. Mostly cloudy, with a low around 39. Northeast wind around 10 mph, with gusts as high as 25 mph.
Monday
Showers, mainly after 1pm. High near 47. Breezy, with an east wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Showers. Low around 40. Breezy, with an east wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
A chance of showers before 1pm. Partly sunny, with a high near 47. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 40 mph.
Tuesday Night
Partly cloudy, with a low around 35. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 44. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 33. Northwest wind around 5 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 43. Northwest wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 44. North wind around 5 mph becoming southwest in the afternoon.
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 90.33°W
Last Update:
1:21 pm CDT Apr 25, 2026
Forecast Valid:
1pm CDT Apr 25, 2026-6pm CDT May 1, 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