News Headlines
Hazardous Weather Conditions
Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Fair
-8°F
-22°C
| Humidity | 63% |
| Wind Speed | E 6 mph |
| Barometer | 30.25 in |
| Dewpoint | -18°F (-28°C) |
| Visibility | 10.00 mi |
| Wind Chill | -21°F (-29°C) |
| Last update | 25 Jan 11:55 pm MST |
Extended Forecast for
Saint Marys Glacier CO
Overnight

Low: -6 °F
Blowing Snow
and WindyMonday

High: 16 °F
Blowing Snow
and Very
WindyMonday Night

Low: 9 °F
Blowing Snow
and Very
WindyTuesday

High: 20 °F
Mostly Sunny
and BreezyTuesday Night

Low: 12 °F
Mostly Clear
and BreezyWednesday

High: 28 °F
Mostly Sunny
and BreezyWednesday Night

Low: 12 °F
Partly Cloudy
and BreezyThursday

High: 24 °F
Slight Chance
Snow and
BreezyThursday Night
Low: 12 °F
Slight Chance
Snow then
Partly Cloudy
and Breezy
Detailed Forecast
Overnight
Widespread blowing snow, mainly after 1am. Mostly clear, with a steady temperature around -6. Wind chill values as low as -37. Windy, with a west northwest wind 32 to 34 mph, with gusts as high as 50 mph.
Monday
Widespread blowing snow, mainly before 9am. Sunny, with a high near 16. Wind chill values as low as -31. Very windy, with a west northwest wind 33 to 38 mph, with gusts as high as 55 mph.
Monday Night
Widespread blowing snow, mainly before 10pm. Increasing clouds, with a low around 9. Wind chill values as low as -13. Very windy, with a west northwest wind 28 to 37 mph, with gusts as high as 55 mph.
Tuesday
Mostly sunny, with a high near 20. Wind chill values as low as -9. Breezy, with a west wind 20 to 24 mph, with gusts as high as 41 mph.
Tuesday Night
Mostly clear, with a low around 12. Breezy, with a west wind 18 to 24 mph, with gusts as high as 41 mph.
Wednesday
Mostly sunny, with a high near 28. Breezy.
Wednesday Night
Partly cloudy, with a low around 12. Breezy.
Thursday
A slight chance of snow after 11am. Mostly sunny, with a high near 24. Breezy.
Thursday Night
A slight chance of snow before 11pm. Partly cloudy, with a low around 12. Breezy.
Friday
Mostly sunny, with a high near 25. Blustery.
Friday Night
Partly cloudy, with a low around 15. Breezy.
Saturday
Mostly sunny, with a high near 29. Breezy.
Saturday Night
Partly cloudy, with a low around 17. Breezy.
Sunday
Mostly sunny, with a high near 31. Breezy.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Saint Marys Glacier CO
39.82°N 105.63°W (Elev. 10735 ft)
39.82°N 105.63°W (Elev. 10735 ft)
9:06 pm MST Jan 25, 2026
12am MST Jan 26, 2026-6pm MST Feb 1, 2026



