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Hazardous Weather Conditions
Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Mostly Cloudy
27°F
-3°C
| Humidity | 73% |
| Wind Speed | W 9 mph |
| Barometer | 30.01 in |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 18°F (-8°C) |
| Last update | 6 Dec 6:35 pm MST |
Extended Forecast for
3 Miles WNW Saint Marys Glacier CO
Winter Storm Warning December 6, 06:54pm until December 6, 11:00pm
NOW until 11:00pm Sat

Winter Storm Warning
Tonight

Low: 3 °F
Snow Showers
and Blowing
SnowSunday

High: 6 °F
Chance Snow
and Blowing
SnowSunday Night

Low: 6 °F
Slight Chance
Snow and
WindyMonday

High: 14 °F
Chance Snow
and WindyMonday Night

Low: 11 °F
Mostly Cloudy
and WindyTuesday

High: 23 °F
Chance Snow
and Very
WindyTuesday Night

Low: 20 °F
Chance Snow
and Very
WindyWednesday

High: 24 °F
Snow Likely
and Very
Windy
Detailed Forecast
Tonight
Snow showers, mainly before 2am. Widespread blowing snow, mainly before 2am. Low around 3. Wind chill values as low as -18. Very windy, with a west northwest wind 28 to 36 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Sunday
A 30 percent chance of snow before 11am. Widespread blowing snow, mainly before noon. Mostly sunny and cold, with a steady temperature around 6. Wind chill values as low as -21. Windy, with a west northwest wind 25 to 30 mph, with gusts as high as 45 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 6. Wind chill values as low as -14. Windy, with a west wind 23 to 25 mph, with gusts as high as 45 mph.
Monday
A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 14. Wind chill values as low as -13. Windy, with a west wind 26 to 30 mph, with gusts as high as 46 mph. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 11. Windy, with a west wind 28 to 31 mph, with gusts as high as 55 mph.
Tuesday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 23. Very windy.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 20. Very windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 24. Very windy.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 17. Very windy.
Thursday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 21. Windy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 16. Windy.
Friday
A chance of snow. Mostly sunny, with a high near 21. Breezy.
Friday Night
Partly cloudy, with a low around 14. Breezy.
Saturday
Mostly sunny, with a high near 22. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
39.84°N 105.69°W (Elev. 12507 ft)
39.84°N 105.69°W (Elev. 12507 ft)
1:36 pm MST Dec 6, 2025
6pm MST Dec 6, 2025-6pm MST Dec 13, 2025



