Hazardous Weather Conditions
Current conditions at
Grand Marais/Cook County Airport (KCKC)
Lat: 47.84°NLon: 90.39°WElev: 1784ft.
Overcast
37°F
3°C
| Humidity | 93% |
| Wind Speed | N 8 mph |
| Barometer | 29.89 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 31°F (-1°C) |
| Last update | 12 May 9:15 pm CDT |
Extended Forecast for
Grand Portage MN
Frost Advisory May 13, 01:00am until May 13, 08:00am
Tonight
Low: 36 °F
Slight Chance
Rain/Snow
then Patchy
FrostWednesday

High: 56 °F
Mostly Sunny
Wednesday Night

Low: 35 °F
Partly Cloudy
then Areas
FrostThursday

High: 52 °F
Mostly Sunny
Thursday Night
Low: 41 °F
Chance
Showers then
ShowersFriday
High: 64 °F
Partly Sunny
then Mostly
Sunny and
BreezyFriday Night
Low: 46 °F
Partly Cloudy
then Partly
Cloudy and
BreezySaturday

High: 58 °F
Mostly Sunny
and BreezySaturday Night

Low: 37 °F
Partly Cloudy
Detailed Forecast
Tonight
A slight chance of rain showers, mixing with snow after 11pm, then gradually ending. Patchy frost after midnight. Otherwise, partly cloudy, with a low around 36. Northwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 56. North wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Areas of frost after 2am. Otherwise, partly cloudy, with a low around 35. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 52. Calm wind becoming southeast around 5 mph in the morning.
Thursday Night
Showers, mainly after 1am. Low around 41. East wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 64. Breezy, with a southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 46. Breezy, with a west wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Mostly sunny, with a high near 58. Breezy, with a west wind 10 to 15 mph, with gusts as high as 35 mph.
Saturday Night
Partly cloudy, with a low around 37. Northwest wind around 5 mph becoming northeast after midnight.
Sunday
A chance of showers. Partly sunny, with a high near 50. East wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Showers likely. Mostly cloudy, with a low around 40. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.
Monday
A chance of showers. Mostly cloudy, with a high near 57. Northeast wind around 10 mph, with gusts as high as 25 mph.
Monday Night
A chance of showers. Mostly cloudy, with a low around 41. North wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of showers. Partly sunny, with a high near 54. Northwest wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
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ABOUT THIS FORECAST
Point Forecast:
Grand Portage MN
47.96°N 89.69°W
47.96°N 89.69°W
8:47 pm CDT May 12, 2026
9pm CDT May 12, 2026-6pm CDT May 19, 2026



