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

Granby-Grand County Airport (KGNB)

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

Partly Cloudy

48°F

9°C

Humidity 41%
Wind Speed SW 14 G 22 mph
Barometer 29.90 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 14 Nov 3:35 pm MST
Extended Forecast for

4 Miles W Saint Marys Glacier CO

  • This Afternoon

    This Afternoon: Snow showers likely, mainly after 5pm. Cloudy, with a high near 28. North northwest wind around 7 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: Snow showers likely, mainly before 8pm. Mostly cloudy, with a low around 20. Northwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 20 °F

    Snow Showers
    Likely then
    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 29. West northwest wind 5 to 9 mph becoming light. Winds could gust as high as 15 mph.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 20. Breezy, with a west wind 11 to 15 mph, with gusts as high as 21 mph.

    Low: 20 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 36. West wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 17 mph.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers after 11pm. Partly cloudy, with a low around 18.

    Low: 18 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: A chance of snow showers, mainly before 11am. Partly sunny, with a high near 22. Breezy.

    High: 22 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

This Afternoon
Snow showers likely, mainly after 5pm. Cloudy, with a high near 28. North northwest wind around 7 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow showers likely, mainly before 8pm. Mostly cloudy, with a low around 20. Northwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday
Mostly sunny, with a high near 29. West northwest wind 5 to 9 mph becoming light. Winds could gust as high as 15 mph.
Sunday Night
Mostly clear, with a low around 20. Breezy, with a west wind 11 to 15 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 36. West wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 17 mph.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
A slight chance of snow showers after 11pm. Partly cloudy, with a low around 18.
Wednesday
A chance of snow showers, mainly before 11am. Partly sunny, with a high near 22. Breezy.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
A slight chance of snow showers. Partly cloudy, with a low around 18.
Friday
Snow showers likely. Partly sunny, with a high near 23. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Marys Glacier CO
 39.84°N 105.72°W (Elev. 12260 ft)
Last Update:
11:46 am MST Nov 14, 2026
Forecast Valid:
3pm MST Nov 14, 2026-6pm MST Nov 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation