Hazardous Weather Conditions
Current conditions at
Grand Marais, The Bay of Grand Marais (KGNA)
Lat: 47.75°NLon: 90.34°WElev: 610ft.46°F
8°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 29.92 in (1013.4 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | NA |
| Last update | 8 Jul 10:56 pm CDT |
Extended Forecast for
Grand Marais MN
Tonight

Low: 46 °F
Patchy Dense
FogThursday

High: 59 °F
Mostly Sunny
Thursday Night

Low: 42 °F
Partly Cloudy
Friday

High: 57 °F
Mostly Sunny
Friday Night

Low: 43 °F
Slight Chance
T-stormsSaturday

High: 66 °F
Mostly Sunny
Saturday Night

Low: 51 °F
Slight Chance
T-stormsSunday

High: 72 °F
Mostly Sunny
Sunday Night

Low: 54 °F
Partly Cloudy
Detailed Forecast
Tonight
Patchy dense fog before 1am, then patchy dense fog after 2am. Otherwise, partly cloudy, with a low around 46. Calm wind.
Thursday
Mostly sunny, with a high near 59. Calm wind.
Thursday Night
Partly cloudy, with a low around 42. Calm wind.
Friday
Mostly sunny, with a high near 57. Calm wind becoming southeast around 5 mph.
Friday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 43. Calm wind. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51. Calm wind becoming west around 5 mph.
Sunday
Mostly sunny, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 54. West wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Mostly sunny, with a high near 74. Breezy, with a southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 55. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 73. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 53. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 68. North wind 5 to 10 mph becoming southwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Grand Marais MN
47.74°N 90.33°W
47.74°N 90.33°W
7:51 pm CDT Jul 8, 2026
11pm CDT Jul 8, 2026-6pm CDT Jul 15, 2026



