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Hazardous Weather Conditions
Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Light Snow
23°F
-5°C
| Humidity | 77% |
| Wind Speed | SW 9 G 16 mph |
| Barometer | 30.20 in |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 13°F (-11°C) |
| Last update | 7 Dec 7:35 am MST |
Extended Forecast for
3 Miles WNW Saint Marys Glacier CO
Today
High: 6 °F
Chance Snow
and Blowing
SnowTonight

Low: 6 °F⇑
Slight Chance
Snow and
WindyMonday
High: 14 °F
Windy. Chance
Snow then
Slight Chance
SnowMonday Night

Low: 10 °F
Mostly Cloudy
and WindyTuesday

High: 22 °F
Chance Snow
and Very
WindyTuesday Night

Low: 19 °F
Chance Snow
and WindyWednesday

High: 24 °F
Snow Likely
and Very
WindyWednesday Night

Low: 18 °F
Chance Snow
and Very
WindyThursday

High: 19 °F
Snow Likely
and Windy
Detailed Forecast
Today
A 40 percent chance of snow before 11am. Widespread blowing snow, mainly before noon. Mostly sunny and cold, with a steady temperature around 6. Wind chill values as low as -21. Very windy, with a west northwest wind 31 to 36 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 55 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 20 percent chance of snow after 11pm. Mostly cloudy, with a temperature rising to around 9 by 10pm. Wind chill values as low as -15. Windy, with a west wind 23 to 25 mph, with gusts as high as 45 mph.
Monday
A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 14. Wind chill values as low as -12. Windy, with a west wind 25 to 30 mph, with gusts as high as 47 mph. New snow accumulation of 1 to 3 inches possible.
Monday Night
Mostly cloudy, with a low around 10. Wind chill values as low as -11. Windy, with a west wind 29 to 31 mph, with gusts as high as 55 mph.
Tuesday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 22. Very windy, with a west wind 32 to 38 mph, with gusts as high as 60 mph.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19. Windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 24. Very windy. Chance of precipitation is 60%.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 18. Very windy.
Thursday
Snow likely. Mostly cloudy, with a high near 19. Windy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 14. Windy.
Friday
A chance of snow. Partly sunny, with a high near 19. Breezy.
Friday Night
Mostly cloudy, with a low around 12. Breezy.
Saturday
Mostly sunny, with a high near 21. Breezy.
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)
4:26 am MST Dec 7, 2025
7am MST Dec 7, 2025-6pm MST Dec 13, 2025



