Hazardous Weather Conditions
Current conditions at
Grand Marais, The Bay of Grand Marais (KGNA)
Lat: 47.75°NLon: 90.34°WElev: 610ft.48°F
9°C
| Humidity | 44% |
| Wind Speed | E 13 mph |
| Barometer | 29.75 in (1007.7 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | NA |
| Wind Chill | 43°F (6°C) |
| Last update | 23 Apr 6:56 am CDT |
Extended Forecast for
Grand Marais MN
Today
High: 50 °F
Breezy.
Mostly Cloudy
then Chance
T-stormsTonight

Low: 41 °F
Showers and
BreezyFriday

High: 50 °F
Showers
Likely and
BreezyFriday Night

Low: 35 °F
Slight Chance
ShowersSaturday

High: 50 °F
Sunny
Saturday Night

Low: 36 °F
Partly Cloudy
Sunday

High: 48 °F
Mostly Sunny
Sunday Night
Low: 37 °F
Mostly Cloudy
then Slight
Chance RainMonday

High: 47 °F
Chance Rain
and Breezy
Detailed Forecast
Today
A 30 percent chance of showers 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
Showers and possibly a thunderstorm. Low around 41. Breezy, with a northeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 50. Breezy, with a north wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 20 percent chance of showers after 7pm. 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...
ABOUT THIS FORECAST
Point Forecast:
Grand Marais MN
47.74°N 90.36°W
47.74°N 90.36°W
5:06 am CDT Apr 23, 2026
7am CDT Apr 23, 2026-6pm CDT Apr 29, 2026



