Hazardous Weather Conditions
Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Overcast
43°F
6°C
| Humidity | 36% |
| Wind Speed | SW 12 G 30 mph |
| Barometer | 29.90 in |
| Dewpoint | 18°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 37°F (3°C) |
| Last update | 28 Nov 3:35 pm MST |
Extended Forecast for
4 Miles W Saint Marys Glacier CO
Winter Weather Advisory November 28, 05:00pm until November 29, 08:00am
This Afternoon

High: 24 °F
Snow Showers
Likely and
Patchy
Blowing SnowTonight

Low: 3 °F
Heavy Snow
and Blowing
SnowSaturday
High: 7 °F
Chance Snow
and Blowing
SnowSaturday Night

Low: 4 °F
Increasing
CloudsSunday

High: 11 °F
Snow Likely
Sunday Night

Low: 1 °F
Snow
Monday
High: 4 °F
Chance Snow
then Mostly
Sunny and
BreezyMonday Night

Low: 2 °F
Partly Cloudy
and BreezyTuesday

High: 13 °F
Chance Snow
and Breezy
Detailed Forecast
This Afternoon
Snow showers likely, mainly after 5pm. Patchy blowing snow after 5pm. Mostly cloudy, with a high near 24. Breezy, with a west wind around 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers, mainly before 3am, then snow after 3am. The snow could be heavy at times. Widespread blowing snow, mainly between 8pm and 5am. Low around 3. Wind chill values as low as -12. Windy, with a west northwest wind 24 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Saturday
A 50 percent chance of snow, mainly before 11am. Widespread blowing snow, mainly before 8am. Mostly cloudy, then gradually becoming sunny and cold, with a steady temperature around 7. Wind chill values as low as -19. Windy, with a west northwest wind 20 to 25 mph decreasing to 14 to 19 mph in the afternoon. Winds could gust as high as 38 mph. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Increasing clouds, with a low around 4. Wind chill values as low as -11. West wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 11. West southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Sunday Night
Snow. Low around 1. Chance of precipitation is 90%.
Monday
A 30 percent chance of snow before 11am. Mostly sunny and cold, with a high near 4. Breezy.
Monday Night
Partly cloudy, with a low around 2. Breezy.
Tuesday
A chance of snow, mainly after 11am. Partly sunny, with a high near 13. Breezy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 4. Breezy.
Wednesday
Snow likely. Mostly cloudy and cold, with a high near 8.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 3. Breezy.
Thursday
A chance of snow. Partly sunny and cold, with a high near 9. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles W Saint Marys Glacier CO
39.84°N 105.72°W (Elev. 12260 ft)
39.84°N 105.72°W (Elev. 12260 ft)
2:21 pm MST Nov 28, 2025
3pm MST Nov 28, 2025-6pm MST Dec 4, 2025



