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Hazardous Weather Conditions
Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Light Rain
34°F
1°C
| Humidity | 91% |
| Wind Speed | W 6 G 17 mph |
| Barometer | 30.30 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 5.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 10 Dec 7:55 am MST |
Extended Forecast for
3 Miles WNW Saint Marys Glacier CO
High Wind Warning December 10, 11:00am until December 11, 11:00am
Today

High: 23 °F
Chance Snow
and Blowing
SnowTonight

Low: 18 °F
Blowing Snow
and Very
WindyThursday
High: 24 °F
Very Windy.
Patchy
Blowing Snow
then Partly
SunnyThursday Night

Low: 15 °F
Partly Cloudy
and WindyFriday

High: 24 °F
Mostly Sunny
and BreezyFriday Night

Low: 15 °F
Partly Cloudy
and WindySaturday

High: 25 °F
Mostly Sunny
and WindySaturday Night

Low: 15 °F
Partly Cloudy
and BreezySunday

High: 30 °F
Mostly Sunny
and Breezy
Detailed Forecast
Today
A 50 percent chance of snow. Widespread blowing snow. Partly sunny, with a high near 23. Wind chill values as low as -3. Very windy, with a west northwest wind 30 to 35 mph increasing to 41 to 46 mph in the afternoon. Winds could gust as high as 65 mph. Total daytime snow accumulation of around an inch possible.
Tonight
Widespread blowing snow, mainly before 8pm. Mostly cloudy, with a low around 18. Wind chill values as low as -3. Very windy, with a west northwest wind 36 to 43 mph, with gusts as high as 60 mph.
Thursday
Patchy blowing snow before 11am. Partly sunny, with a high near 24. Wind chill values as low as -3. Very windy, with a west northwest wind 32 to 38 mph, with gusts as high as 55 mph.
Thursday Night
Partly cloudy, with a low around 15. Wind chill values as low as -1. Windy, with a west wind 22 to 30 mph, with gusts as high as 48 mph.
Friday
Mostly sunny, with a high near 24. Breezy, with a west wind 20 to 23 mph, with gusts as high as 36 mph.
Friday Night
Partly cloudy, with a low around 15. Windy.
Saturday
Mostly sunny, with a high near 25. Windy.
Saturday Night
Partly cloudy, with a low around 15. Breezy.
Sunday
Mostly sunny, with a high near 30. Breezy.
Sunday Night
Mostly cloudy, with a low around 15. Breezy.
Monday
Mostly sunny, with a high near 26. Breezy.
Monday Night
Partly cloudy, with a low around 13. Breezy.
Tuesday
A slight chance of snow. Partly 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)
4:11 am MST Dec 10, 2025
8am MST Dec 10, 2025-6pm MST Dec 16, 2025



