News Headlines
Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Fair
63°F
17°C
| Humidity | 48% |
| Wind Speed | Calm |
| Barometer | 30.57 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 26 Aug 10:15 am MDT |
Extended Forecast for
Saint Marys Glacier CO
Today
High: 63 °F
Mostly Sunny
then Showers
LikelyTonight
Low: 46 °F
Slight Chance
T-storms then
Partly CloudyThursday
High: 66 °F
Mostly Sunny
then Chance
T-stormsThursday Night

Low: 48 °F
Partly Cloudy
Friday
High: 66 °F
Sunny then
Slight Chance
T-stormsFriday Night

Low: 50 °F
Mostly Cloudy
Saturday
High: 65 °F
Breezy.
Mostly Sunny
then Chance
T-stormsSaturday Night
Low: 48 °F
Chance
T-storms then
Mostly CloudySunday
High: 61 °F
Partly Sunny
then T-storms
Likely
Detailed Forecast
Today
A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Increasing clouds, with a high near 63. West northwest wind 5 to 7 mph becoming east northeast in the afternoon. Chance of precipitation is 60%.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 46. Northeast wind 6 to 8 mph becoming west southwest in the evening.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between noon and 3pm. Mostly sunny, with a high near 66. West wind 7 to 11 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 48. South southeast wind 5 to 11 mph becoming west after midnight. Winds could gust as high as 21 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66. West northwest wind 8 to 14 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 65. Breezy.
Saturday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 48.
Sunday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 61.
Sunday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 44.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 60.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 62.
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)
6:04 am MDT Aug 26, 2026
10am MDT Aug 26, 2026-6pm MDT Sep 1, 2026


