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Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Overcast
66°F
19°C
| Humidity | 25% |
| Wind Speed | SW 13 G 22 mph |
| Barometer | 30.41 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 7:55 pm MDT |
Extended Forecast for
Saint Marys Glacier CO
Tonight
Low: 42 °F
Slight Chance
Showers then
Mostly CloudyWednesday
High: 56 °F
Mostly Sunny
then Chance
ShowersWednesday Night
Low: 39 °F
Slight Chance
Showers then
Partly CloudyThursday
High: 54 °F
Sunny then
Chance
ShowersThursday Night
Low: 39 °F
Partly Cloudy
then Mostly
Clear and
BreezyFriday
High: 54 °F
Sunny and
Breezy then
Mostly SunnyFriday Night

Low: 40 °F
Mostly Clear
and BreezySaturday
High: 51 °F
Sunny and
Breezy then
Mostly SunnySaturday Night

Low: 39 °F
Partly Cloudy
and Breezy
Detailed Forecast
Tonight
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 42. West wind around 8 mph.
Wednesday
A 30 percent chance of showers after noon. Increasing clouds, with a high near 56. West southwest wind around 7 mph becoming east northeast in the afternoon.
Wednesday Night
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 39. West wind 6 to 14 mph, with gusts as high as 21 mph.
Thursday
A 30 percent chance of showers after noon. Increasing clouds, with a high near 54. West wind 5 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
Thursday Night
Mostly clear, with a low around 39. Breezy, with a west wind 5 to 15 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 54. Breezy.
Friday Night
Mostly clear, with a low around 40. Breezy.
Saturday
Sunny, with a high near 51. Breezy.
Saturday Night
Partly cloudy, with a low around 39. Breezy.
Sunday
A chance of showers after noon. Partly sunny, with a high near 49.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 38.
Columbus Day
A chance of rain and snow showers. Partly sunny, with a high near 46.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 36.
Tuesday
A chance of snow showers. Partly sunny, with a high near 42.
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)
12:46 pm MDT Oct 6, 2026
8pm MDT Oct 6, 2026-6pm MDT Oct 13, 2026


