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Hazardous Weather Conditions
Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Fair
41°F
5°C
| Humidity | 54% |
| Wind Speed | Calm |
| Barometer | 30.26 in |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Last update | 29 Mar 8:55 am MDT |
Extended Forecast for
3 Miles W Saint Marys Glacier CO
Today
High: 40 °F
Slight Chance
Snow Showers
and WindyTonight

Low: 27 °F
Partly Cloudy
and BreezyMonday
High: 46 °F
Windy. Mostly
Sunny then
Chance Snow
ShowersMonday Night

Low: 23 °F
Chance Snow
Showers and
WindyTuesday
High: 34 °F
Breezy. Snow
Showers
Likely then
Snow ShowersTuesday Night

Low: 18 °F
Heavy Snow
and BreezyWednesday

High: 27 °F
Snow Showers
and BreezyWednesday Night

Low: 18 °F
Snow Showers
and BreezyThursday

High: 31 °F
Snow Showers
Likely and
Windy
Detailed Forecast
Today
A 20 percent chance of snow showers after 2pm. Mostly sunny, with a high near 40. Windy, with a west wind 21 to 25 mph, with gusts as high as 38 mph.
Tonight
Partly cloudy, with a low around 27. Breezy, with a west wind 20 to 23 mph, with gusts as high as 38 mph.
Monday
A 40 percent chance of snow showers after noon. Partly sunny, with a high near 46. Windy, with a west wind 23 to 30 mph, with gusts as high as 50 mph. Little or no snow accumulation expected.
Monday Night
A 40 percent chance of snow showers, mainly after midnight. Mostly cloudy, with a low around 23. Windy, with a west wind 23 to 28 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 46 mph. New snow accumulation of less than a half inch possible.
Tuesday
Snow showers. High near 34. Breezy, with a west southwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 90%.
Tuesday Night
Snow showers. The snow could be heavy at times. Low around 18. Breezy. Chance of precipitation is 90%.
Wednesday
Snow showers. Some thunder is also possible. High near 27. Breezy. Chance of precipitation is 90%.
Wednesday Night
Snow showers, mainly before midnight. Mostly cloudy, with a low around 18. Breezy.
Thursday
Snow showers likely, mainly after noon. Partly sunny, with a high near 31. Windy.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 13. Windy.
Friday
Snow showers. The snow could be heavy at times. Mostly cloudy, with a high near 17. Windy.
Friday Night
Snow showers likely. The snow could be heavy at times. Mostly cloudy, with a low around 6. Windy.
Saturday
A chance of snow showers. Partly sunny, with a high near 19. Windy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles W Saint Marys Glacier CO
39.84°N 105.69°W (Elev. 12507 ft)
39.84°N 105.69°W (Elev. 12507 ft)
2:39 am MDT Mar 29, 2026
9am MDT Mar 29, 2026-6pm MDT Apr 4, 2026



