National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Partly Cloudy

43°F

6°C

Humidity 43%
Wind Speed SW 5 mph
Barometer 30.41 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 4 Apr 5:55 pm MDT
Extended Forecast for

4 Miles WNW Saint Marys Glacier CO

  • Tonight

    Tonight: Mostly clear, with a low around 16. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.

    Low: 16 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 41. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 22. West wind 5 to 7 mph becoming calm in the evening.

    Low: 22 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of snow showers after noon. Partly sunny, with a high near 43. Light west wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Little or no snow accumulation expected.

    High: 43 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Monday Night

    Monday Night: A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 23. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.

    Low: 23 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly after noon. Mostly cloudy, with a high near 41. Breezy. Chance of precipitation is 60%.

    High: 41 °F

    Snow Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before midnight. Partly cloudy, with a low around 26. Breezy. Chance of precipitation is 40%.

    Low: 26 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Clear

  • Wednesday

    Wednesday: A chance of snow showers, mainly after noon. Partly sunny, with a high near 43. Windy.

    High: 43 °F

    Chance Snow
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A chance of snow showers. Mostly cloudy, with a low around 23. Breezy.

    Low: 23 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 16. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.
Sunday
Sunny, with a high near 41. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 22. West wind 5 to 7 mph becoming calm in the evening.
Monday
A 30 percent chance of snow showers after noon. Partly sunny, with a high near 43. Light west wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 23. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 16 mph.
Tuesday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 41. Breezy. Chance of precipitation is 60%.
Tuesday Night
A chance of rain and snow showers before midnight. Partly cloudy, with a low around 26. Breezy. Chance of precipitation is 40%.
Wednesday
A chance of snow showers, mainly after noon. Partly sunny, with a high near 43. Windy.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Breezy.
Thursday
Snow showers likely, mainly after noon. Mostly cloudy, with a high near 42. Breezy.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 24. Breezy.
Friday
Rain and snow showers. Mostly cloudy, with a high near 40. Breezy.
Friday Night
Rain and snow showers. Mostly cloudy, with a low around 23.
Saturday
Rain and snow showers. Mostly cloudy, with a high near 38. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Saint Marys Glacier CO
 39.86°N 105.72°W (Elev. 10735 ft)
Last Update:
12:45 pm MDT Apr 4, 2026
Forecast Valid:
6pm MDT Apr 4, 2026-6pm MDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation