


Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Fair
45°F
7°C
Humidity | 42% |
Wind Speed | Calm |
Barometer | 30.42 in |
Dewpoint | 23°F (-5°C) |
Visibility | 10.00 mi |
Last update | 8 Oct 11:15 pm MDT |
Extended Forecast for
3 Miles WNW Saint Marys Glacier CO
Tonight
Low: 34 °F
Clear and
BreezyThursday
High: 46 °F
Increasing
CloudsThursday Night
Low: 36 °F
Mostly Cloudy
then Slight
Chance
Rain/SnowFriday
High: 41 °F
Chance
Rain/Snow
then Showers
LikelyFriday Night
Low: 38 °F
Chance
ShowersSaturday
High: 42 °F
Showers
LikelySaturday Night
Low: 34 °F
Chance
Showers then
Chance
Rain/Snow and
BreezySunday
High: 37 °F
Chance Snow
Showers and
BreezySunday Night
Low: 26 °F
Partly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 34. Breezy, with a west wind around 15 mph, with gusts as high as 24 mph.
Thursday
Increasing clouds, with a high near 46. West wind 6 to 14 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
A slight chance of rain and snow showers after midnight. Mostly cloudy, with a low around 36. Southeast wind 7 to 9 mph becoming southwest after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Friday
A chance of rain and snow showers before 9am, then rain showers likely. Some thunder is also possible. Cloudy, with a high near 41. South southwest wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
A 40 percent chance of showers. Cloudy, with a low around 38. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Saturday Night
A chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. Breezy. Chance of precipitation is 30%.
Sunday
A chance of snow showers, mainly before noon. Some thunder is also possible. Mostly sunny, with a high near 37. Breezy.
Sunday Night
Partly cloudy, with a low around 26.
Columbus Day
A slight chance of snow showers after noon. Mostly sunny, with a high near 38.
Monday Night
A slight chance of snow showers. Partly cloudy, with a low around 29.
Tuesday
A chance of snow showers. Partly sunny, with a high near 41.
Tuesday Night
A slight chance of snow showers. Partly cloudy, with a low around 29.
Wednesday
A slight chance of snow showers. Mostly sunny, with a high near 40.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
39.84°N 105.69°W (Elev. 12507 ft)
39.84°N 105.69°W (Elev. 12507 ft)
1:30 pm MDT Oct 8, 2025
11pm MDT Oct 8, 2025-6pm MDT Oct 15, 2025