Hazardous Weather Conditions
Current conditions at
Grand Marais, The Bay of Grand Marais (KGNA)
Lat: 47.75°NLon: 90.34°WElev: 610ft.38°F
3°C
| Humidity | 97% |
| Wind Speed | E 5 mph |
| Barometer | 29.39 in (996.1 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | NA |
| Wind Chill | 34°F (1°C) |
| Last update | 12 Apr 6:56 pm CDT |
Extended Forecast for
Grand Marais MN
Dense Fog Advisory until April 13, 01:00am
NOW until 1:00am Mon
Dense Fog Advisory
Tonight
Low: 39 °F
Showers
Likely and
Patchy Dense
Fog then
Patchy Dense
FogMonday
High: 46 °F
Patchy Fog
then Partly
SunnyMonday Night

Low: 36 °F
Showers
Likely and
BreezyTuesday

High: 40 °F
Slight Chance
ShowersTuesday Night

Low: 36 °F
Mostly Cloudy
Wednesday
High: 43 °F
Partly Sunny
then Slight
Chance RainWednesday Night

Low: 36 °F
Slight Chance
RainThursday

High: 49 °F
Slight Chance
Rain
Detailed Forecast
Tonight
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 11pm. Patchy dense fog. Otherwise, mostly cloudy, with a low around 39. North wind 5 to 10 mph becoming west in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 46. West wind around 5 mph becoming calm.
Monday Night
Showers likely. Mostly cloudy, with a low around 36. Breezy, with a northeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 40. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Northeast wind around 5 mph becoming calm.
Wednesday
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 43. East wind around 5 mph.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 36. Northeast wind around 5 mph.
Thursday
A slight chance of rain before 1pm. Partly sunny, with a high near 49. Northeast wind around 5 mph becoming southeast in the afternoon.
Thursday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 39. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 48. East wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 30. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
A chance of rain and snow. Partly sunny, with a high near 37. Breezy, with a northwest wind around 15 mph, with gusts as high as 30 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 28. Blustery, with a northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A slight chance of snow. Mostly sunny, with a high near 39. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
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ABOUT THIS FORECAST
Point Forecast:
Grand Marais MN
47.74°N 90.33°W
47.74°N 90.33°W
6:07 pm CDT Apr 12, 2026
7pm CDT Apr 12, 2026-6pm CDT Apr 19, 2026



