Hazardous Weather Conditions
Current conditions at
Grand Marais, The Bay of Grand Marais (KGNA)
Lat: 47.75°NLon: 90.34°WElev: 610ft.61°F
16°C
| Humidity | 81% |
| Wind Speed | Calm |
| Barometer | 29.85 in (1010.6 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | NA |
| Last update | 12 Aug 4:56 pm CDT |
Extended Forecast for
Grand Marais MN
Tonight
Low: 54 °F
Mostly Cloudy
Thursday
High: 64 °F
Partly Sunny
Thursday Night
Low: 51 °F
Partly Cloudy
Friday
High: 59 °F
Partly Sunny
Friday Night
Low: 46 °F
Cloudy
Saturday
High: 62 °F
Chance
ShowersSaturday Night
Low: 53 °F
Chance
ShowersSunday
High: 68 °F
Partly Sunny
Sunday Night
Low: 52 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 54. Calm wind.
Thursday
Partly sunny, with a high near 64. North wind around 5 mph becoming calm.
Thursday Night
Partly cloudy, with a low around 51. Calm wind becoming northeast around 5 mph.
Friday
Partly sunny, with a high near 59. East wind around 5 mph.
Friday Night
Cloudy, with a low around 46. East wind around 5 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 62. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Cloudy, with a low around 53. Northeast wind around 5 mph becoming northwest after midnight. Winds could gust as high as 15 mph.
Sunday
Partly sunny, with a high near 68. Northwest wind around 5 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 52. Northwest wind around 5 mph.
Monday
Mostly sunny, with a high near 67. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 53. West wind around 5 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 68. Southwest wind around 5 mph, with gusts as high as 15 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 53. West wind around 5 mph becoming north after midnight.
Wednesday
A slight chance of showers. Partly sunny, with a high near 66. North wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Grand Marais MN
47.74°N 90.33°W
47.74°N 90.33°W
2:01 pm CDT Aug 12, 2026
5pm CDT Aug 12, 2026-6pm CDT Aug 19, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
