Hazardous Weather Conditions
Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Snow and Breezy
32°F
0°C
| Humidity | 91% |
| Wind Speed | W 21 G 29 mph |
| Barometer | 29.76 in |
| Dewpoint | 30°F (-1°C) |
| Visibility | 0.50 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 15 Mar 12:55 am MDT |
Extended Forecast for
Saint Marys Glacier CO
Winter Weather Advisory until March 15, 09:00am
NOW until 9:00am Sun

Winter Weather Advisory
Overnight

Low: 4 °F
Heavy Snow
and Blowing
SnowSunday

High: 11 °F
Snow Likely
and Blowing
SnowSunday Night
Low: 7 °F
Slight Chance
Snow and
Blowing SnowMonday

High: 27 °F
Slight Chance
Snow and
WindyMonday Night

Low: 25 °F
Chance Snow
and WindyTuesday
High: 40 °F
Slight Chance
Snow and Very
Windy then
Sunny and
WindyTuesday Night

Low: 33 °F
Mostly Clear
and WindyWednesday

High: 49 °F
Sunny and
Windy
Detailed Forecast
Overnight
Snow. The snow could be heavy at times. Widespread blowing snow. Low around 4. Wind chill values as low as -14. Very windy, with a northwest wind 37 to 43 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.
Sunday
Snow likely, mainly before noon. Widespread blowing snow, mainly before noon. Partly sunny, with a high near 11. Wind chill values as low as -21. Windy, with a northwest wind 29 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 20 percent chance of snow before midnight. Widespread blowing snow before midnight. Partly cloudy, with a low around 7. Wind chill values as low as -14. Windy, with a west northwest wind 20 to 30 mph, with gusts as high as 47 mph.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 27. Wind chill values as low as -13. Windy, with a west wind 28 to 32 mph, with gusts as high as 48 mph.
Monday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 25. Windy, with a west wind 32 to 34 mph, with gusts as high as 50 mph.
Tuesday
A 20 percent chance of snow before noon. Mostly sunny, with a high near 40. Very windy.
Tuesday Night
Mostly clear, with a low around 33. Windy.
Wednesday
Sunny, with a high near 49. Windy.
Wednesday Night
Mostly clear, with a low around 34. Breezy.
Thursday
Sunny, with a high near 53. Breezy.
Thursday Night
Mostly clear, with a low around 36. Breezy.
Friday
Sunny, with a high near 54. Breezy.
Friday Night
Mostly clear, with a low around 34. Breezy.
Saturday
Sunny, with a high near 56. Breezy.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Saint Marys Glacier CO
39.82°N 105.63°W (Elev. 10735 ft)
39.82°N 105.63°W (Elev. 10735 ft)
12:46 am MDT Mar 15, 2026
1am MDT Mar 15, 2026-6pm MDT Mar 21, 2026



