Hazardous Weather Conditions
Current conditions at
Granby-Grand County Airport (KGNB)
Lat: 40.09°NLon: 105.92°WElev: 8207ft.
Overcast
53°F
12°C
| Humidity | 23% |
| Wind Speed | W 17 G 39 mph |
| Barometer | 29.89 in |
| Dewpoint | 15°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 14 Mar 1:35 pm MDT |
Extended Forecast for
3 Miles W Saint Marys Glacier CO
Winter Weather Advisory March 14, 06:00pm until March 15, 09:00am
This Afternoon

High: 31 °F
Chance Snow
and Areas
Blowing SnowTonight

Low: -6 °F
Heavy Snow
and Blowing
SnowSunday
High: 3 °F
Snow Likely
and Blowing
SnowSunday Night

Low: -1 °F
Slight Chance
Snow and
Blowing SnowMonday

High: 19 °F
Chance Snow
and WindyMonday Night
Low: 16 °F
Windy. Slight
Chance Snow
then Mostly
CloudyTuesday
High: 30 °F
Slight Chance
Snow and Very
WindyTuesday Night

Low: 24 °F
Partly Cloudy
and WindyWednesday

High: 39 °F
Mostly Sunny
and Windy
Detailed Forecast
This Afternoon
A 30 percent chance of snow after 3pm. Areas of blowing snow. Mostly sunny, with a high near 31. Very windy, with a west wind 38 to 41 mph, with gusts as high as 70 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow. The snow could be heavy at times. Widespread blowing snow. Low around -6. Wind chill values as low as -26. Very windy, with a west wind 33 to 40 mph, with gusts as high as 65 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Sunday
Snow likely, mainly before noon. Widespread blowing snow. Mostly cloudy and cold, with a high near 3. Wind chill values as low as -33. Windy, with a northwest wind 28 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A 20 percent chance of snow before midnight. Widespread blowing snow, mainly before 9pm. Partly cloudy, with a low around -1. Wind chill values as low as -25. Windy, with a west wind 29 to 34 mph decreasing to 21 to 26 mph in the evening. Winds could gust as high as 55 mph.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 19. Windy, with a west wind 25 to 34 mph, with gusts as high as 55 mph.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16. Windy.
Tuesday
A 20 percent chance of snow before noon. Partly sunny, with a high near 30. Very windy.
Tuesday Night
Partly cloudy, with a low around 24. Windy.
Wednesday
Mostly sunny, with a high near 39. Windy.
Wednesday Night
Mostly clear, with a low around 25. Breezy.
Thursday
Sunny, with a high near 42. Breezy.
Thursday Night
Mostly clear, with a low around 26. Blustery.
Friday
Sunny, with a high near 43. Breezy.
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)
12:47 pm MDT Mar 14, 2026
1pm MDT Mar 14, 2026-6pm MDT Mar 20, 2026



