Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Light Snow
15°F
-9°C
| Humidity | 82% |
| Wind Speed | NE 5 mph |
| Barometer | 30.25 in |
| Dewpoint | 10°F (-12°C) |
| Visibility | 2.50 mi |
| Wind Chill | 7°F (-14°C) |
| Last update | 7 Mar 8:35 am MST |
Extended Forecast for
Saint Marys Glacier CO
Today
High: 23 °F
Blustery.
Sunny then
Patchy
Blowing SnowTonight

Low: 17 °F
Patchy
Blowing Snow
and BlusterySunday

High: 34 °F
Patchy
Blowing Snow
and WindySunday Night

Low: 24 °F
Patchy
Blowing Snow
and WindyMonday
High: 40 °F
Patchy
Blowing Snow
and Windy
then Sunny
and BreezyMonday Night

Low: 26 °F
Mostly Clear
and BreezyTuesday

High: 39 °F
Slight Chance
Snow and
WindyTuesday Night

Low: 19 °F
Chance Snow
and WindyWednesday

High: 29 °F
Slight Chance
Snow and Very
Windy
Detailed Forecast
Today
Patchy blowing snow after 1pm. Sunny, with a high near 23. Wind chill values as low as -6. Blustery, with a west northwest wind 14 to 21 mph, with gusts as high as 33 mph.
Tonight
Patchy blowing snow. Mostly clear, with a low around 17. Wind chill values as low as -1. Blustery, with a west northwest wind around 24 mph, with gusts as high as 45 mph.
Sunday
Patchy blowing snow. Sunny, with a high near 34. Windy, with a west wind around 25 mph, with gusts as high as 47 mph.
Sunday Night
Patchy blowing snow. Mostly clear, with a low around 24. Windy, with a west wind 26 to 31 mph, with gusts as high as 50 mph.
Monday
Patchy blowing snow before 11am. Sunny, with a high near 40. Windy, with a west wind 20 to 29 mph, with gusts as high as 48 mph.
Monday Night
Mostly clear, with a low around 26. Breezy.
Tuesday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 39. Windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 19. Windy.
Wednesday
A slight chance of snow. Partly sunny, with a high near 29. Very windy.
Wednesday Night
Mostly clear, with a low around 23. Very windy.
Thursday
Mostly sunny, with a high near 37. Very windy.
Thursday Night
Mostly cloudy, with a low around 30. Very windy.
Friday
Partly sunny, with a high near 39. Strong and damaging winds.
Additional Forecasts and Information
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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)
3:12 am MST Mar 7, 2026
8am MST Mar 7, 2026-6pm MDT Mar 13, 2026


