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 | 90% |
| Wind Speed | W 3 mph |
| Barometer | 29.84 in (1010.3 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | NA |
| Last update | 17 Aug 9:56 pm CDT |
Extended Forecast for
Grand Marais MN
Tonight
Low: 49 °F
Chance
Showers then
Slight Chance
T-stormsTuesday

High: 63 °F
Mostly Sunny
Tuesday Night

Low: 41 °F
Mostly Clear
Wednesday

High: 62 °F
Mostly Sunny
Wednesday Night

Low: 40 °F
Partly Cloudy
Thursday
High: 63 °F
Mostly Sunny
then Slight
Chance
ShowersThursday Night

Low: 53 °F
Chance
ShowersFriday

High: 68 °F
Chance
ShowersFriday Night

Low: 53 °F
Slight Chance
Showers
Detailed Forecast
Tonight
A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 49. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 63. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 41. West wind around 5 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 62. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 40. West wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 63. Calm wind becoming south around 5 mph.
Thursday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 53. Southeast wind around 5 mph becoming calm.
Friday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 68. North wind around 5 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 53. North wind around 5 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 66. Northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 49. North wind around 5 mph.
Sunday
Mostly sunny, with a high near 64. North wind around 5 mph becoming southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 49. East wind around 5 mph becoming calm.
Monday
Partly sunny, with a high near 64. Northeast wind around 5 mph becoming southeast in the afternoon.
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ABOUT THIS FORECAST
Point Forecast:
Grand Marais MN
47.74°N 90.33°W
47.74°N 90.33°W
8:32 pm CDT Aug 17, 2026
10pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026



