



Hot in Parts of the West; Cold Blast Coming to the Central U.S.
Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >
Hazardous Weather Conditions
Current conditions at
Grand Marais, The Bay of Grand Marais (KGNA)
Lat: 47.75°NLon: 90.34°WElev: 610ft.62°F
17°C
Humidity | 90% |
Wind Speed | Calm |
Barometer | 30.20 in (1022.3 mb) |
Dewpoint | 59°F (15°C) |
Visibility | NA |
Last update | 31 Aug 10:56 pm CDT |
Extended Forecast for
Grand Marais MN
Tonight
Low: 60 °F
Slight Chance
T-stormsLabor Day
High: 71 °F
Chance
T-stormsMonday Night
Low: 57 °F
Mostly Cloudy
Tuesday
High: 69 °F
Mostly Sunny
then Chance
T-stormsTuesday Night
Low: 50 °F
Showers
Wednesday
High: 59 °F
Showers
Likely and
BreezyWednesday Night
Low: 42 °F
Chance
ShowersThursday
High: 53 °F
Chance
ShowersThursday Night
Low: 43 °F
Chance
Showers
Detailed Forecast
Tonight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Calm wind.
Labor Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 71. Southwest wind around 5 mph.
Monday Night
Mostly cloudy, with a low around 57. West wind around 5 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 69. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 50. Southwest wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 59. Breezy, with a north wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 42. North wind around 10 mph, with gusts as high as 25 mph.
Thursday
A chance of showers. Mostly cloudy, with a high near 53. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of showers. Cloudy, with a low around 43. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
A chance of showers. Mostly cloudy, with a high near 56. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 44. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 57. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 45. Northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 60. West wind around 5 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
11:40 pm CDT Aug 31, 2025
11pm CDT Aug 31, 2025-6pm CDT Sep 7, 2025