Hazardous Weather Conditions
Current conditions at
Grand Marais, The Bay of Grand Marais (KGNA)
Lat: 47.75°NLon: 90.34°WElev: 610ft.42°F
6°C
| Humidity | 79% |
| Wind Speed | W 7 mph |
| Barometer | 30.06 in (1018.6 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | NA |
| Wind Chill | 38°F (3°C) |
| Last update | 19 May 8:56 pm CDT |
Extended Forecast for
Grand Marais MN
Freeze Warning May 20, 12:00am until May 20, 08:00am
Tonight

Low: 34 °F
Chance
Sprinkles
then FrostWednesday

High: 50 °F
Areas Frost
then Mostly
SunnyWednesday Night

Low: 36 °F
Mostly Clear
then Areas
FrostThursday

High: 55 °F
Sunny
Thursday Night

Low: 38 °F
Partly Cloudy
Friday

High: 56 °F
Mostly Sunny
Friday Night
Low: 41 °F
Mostly Cloudy
then Chance
ShowersSaturday

High: 55 °F
Chance
ShowersSaturday Night

Low: 42 °F
Chance
Showers
Detailed Forecast
Tonight
A chance of sprinkles before midnight. Widespread frost, mainly after 5am. Otherwise, partly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Wednesday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 50. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. Calm wind.
Thursday
Sunny, with a high near 55. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 38. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 56. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 41. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 55. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 42. East wind around 5 mph becoming calm.
Sunday
Partly sunny, with a high near 62. Calm wind becoming southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 46. Calm wind.
Memorial Day
A slight chance of showers. Mostly sunny, with a high near 66. Calm wind becoming south around 5 mph.
Monday Night
Partly cloudy, with a low around 48. Calm wind.
Tuesday
Mostly sunny, with a high near 68. Calm wind becoming southeast around 5 mph.
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ABOUT THIS FORECAST
Point Forecast:
Grand Marais MN
47.76°N 90.33°W
47.76°N 90.33°W
8:16 pm CDT May 19, 2026
9pm CDT May 19, 2026-6pm CDT May 26, 2026



