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.

Fair

49°F

9°C

Humidity 57%
Wind Speed SE 3 mph
Barometer 30.43 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 2 Oct 10:35 pm MDT
Extended Forecast for

2 Miles SSW Saint Marys Glacier CO

  • Tonight

    Tonight: Clear, with a low around 43. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Clear

  • Friday

    Friday: Increasing clouds, with a high near 56. West wind 6 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 56 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41. Breezy, with a southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 26 mph.

    Low: 41 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Rain showers likely before 3pm, then rain and snow showers likely. Some thunder is also possible. Partly sunny, with a high near 48. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 48 °F

    Breezy.
    Slight Chance
    Showers then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before midnight. Mostly clear, with a low around 30. Breezy, with a west wind 14 to 23 mph, with gusts as high as 39 mph.

    Low: 30 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow
    Showers

  • Monday

    Monday: A slight chance of snow showers before noon, then a slight chance of rain and snow showers. Mostly sunny, with a high near 44.

    High: 44 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A slight chance of snow showers after midnight. Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

Detailed Forecast

Tonight
Clear, with a low around 43. Southwest wind 9 to 13 mph, with gusts as high as 21 mph.
Friday
Increasing clouds, with a high near 56. West wind 6 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Partly cloudy, with a low around 41. Breezy, with a southwest wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 26 mph.
Saturday
Rain showers likely before 3pm, then rain and snow showers likely. Some thunder is also possible. Partly sunny, with a high near 48. Breezy, with a southwest wind 15 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
A 20 percent chance of snow showers before midnight. Mostly clear, with a low around 30. Breezy, with a west wind 14 to 23 mph, with gusts as high as 39 mph.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 31.
Monday
A slight chance of snow showers before noon, then a slight chance of rain and snow showers. Mostly sunny, with a high near 44.
Monday Night
A slight chance of snow showers after midnight. Partly cloudy, with a low around 33.
Tuesday
A chance of snow showers before noon, then a chance of rain and snow showers. Partly sunny, with a high near 42.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 33.
Wednesday
A chance of rain and snow showers. Partly sunny, with a high near 46.
Wednesday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 34. Breezy.
Thursday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 45. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Saint Marys Glacier CO
 39.82°N 105.66°W (Elev. 10981 ft)
Last Update:
2:11 pm MDT Oct 2, 2025
Forecast Valid:
10pm MDT Oct 2, 2025-6pm MDT Oct 9, 2025
 
Forecast Discussion
 
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