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Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Fair
40°F
4°C
| Humidity | 61% |
| Wind Speed | E 3 mph |
| Barometer | 30.42 in |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Last update | 13 May 3:55 am MDT |
Extended Forecast for
Saint Marys Glacier CO
Today
High: 65 °F
Sunny then
Chance
ShowersTonight
Low: 43 °F
Slight Chance
Showers and
WindyThursday
High: 58 °F
Mostly Sunny
and WindyThursday Night
Low: 35 °F
Mostly Clear
and Breezy
then ClearFriday
High: 59 °F
Sunny then
Sunny and
BreezyFriday Night
Low: 38 °F
Mostly Clear
and Breezy
then Partly
CloudySaturday
High: 58 °F
Mostly Sunny
and Breezy
then Chance
T-storms and
WindySaturday Night
Low: 36 °F
Slight Chance
T-storms and
Breezy then
Partly CloudySunday
High: 57 °F
Sunny and
Breezy then
Chance
T-storms and
Windy
Detailed Forecast
Today
A 30 percent chance of showers, mainly after 3pm. Increasing clouds, with a high near 65. West wind 7 to 14 mph, with gusts as high as 22 mph.
Tonight
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 43. Windy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 38 mph.
Thursday
Mostly sunny, with a high near 58. Windy, with a west wind 25 to 33 mph, with gusts as high as 60 mph.
Thursday Night
Mostly clear, with a low around 35. Breezy, with a west wind 18 to 23 mph decreasing to 11 to 16 mph in the evening. Winds could gust as high as 37 mph.
Friday
Sunny, with a high near 59. Breezy, with a west northwest wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night
Mostly clear, with a low around 38. Breezy.
Saturday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 58. Windy.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 36. Breezy.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 57. Windy.
Sunday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers between 9pm and midnight, then snow showers likely after midnight. Some thunder is also possible. Mostly cloudy, with a low around 31. Breezy.
Monday
Rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 39. Breezy.
Monday Night
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 24.
Tuesday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 45. Breezy.
Additional Forecasts and Information
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Point Forecast:
Saint Marys Glacier CO
39.82°N 105.63°W (Elev. 10735 ft)
39.82°N 105.63°W (Elev. 10735 ft)
12:47 am MDT May 13, 2026
4am MDT May 13, 2026-6pm MDT May 19, 2026
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