Hazardous Weather Conditions
Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Overcast
26°F
-3°C
| Humidity | 75% |
| Wind Speed | W 14 G 28 mph |
| Barometer | 30.11 in |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 14°F (-10°C) |
| Last update | 29 Nov 5:55 am MST |
Extended Forecast for
Saint Marys Glacier CO
Winter Weather Advisory November 29, 06:20am until November 29, 08:00am
NOW until 8:00am Sat
Winter Weather Advisory
Today
High: 16 °F
Snow Likely
and Blowing
SnowTonight

Low: 10 °F
Partly Cloudy
Sunday

High: 19 °F
Snow Likely
Sunday Night

Low: 9 °F
Snow and
BreezyMonday
High: 13 °F
Breezy.
Slight Chance
Snow then
SunnyMonday Night

Low: 8 °F
Mostly Clear
and WindyTuesday

High: 22 °F
Slight Chance
Snow and
WindyTuesday Night

Low: 11 °F
Chance Snow
and Breezy
Detailed Forecast
Today
Snow likely, mainly before 10am. Widespread blowing snow, mainly before 11am. Mostly sunny, with a high near 16. Wind chill values as low as -14. Windy, with a west northwest wind 25 to 30 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.
Tonight
Partly cloudy, with a low around 10. Wind chill values as low as -6. West wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 19. Wind chill values as low as -3. Southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
Snow. Low around 9. Wind chill values as low as -7. Breezy, with a west wind 7 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 13. Breezy, with a west wind 15 to 18 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 8. Windy.
Tuesday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 22. Windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 11. Breezy.
Wednesday
Snow likely. Mostly cloudy, with a high near 13.
Wednesday Night
A chance of snow, mainly before 11pm. Mostly cloudy, with a low around 7. Breezy.
Thursday
A slight chance of snow. Mostly sunny, with a high near 18. Windy.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 12. Windy.
Friday
A chance of snow. Partly sunny, with a high near 20. Windy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Saint Marys Glacier CO
39.85°N 105.63°W (Elev. 11368 ft)
39.85°N 105.63°W (Elev. 11368 ft)
6:01 am MST Nov 29, 2025
6am MST Nov 29, 2025-6pm MST Dec 5, 2025



