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

22°F

-6°C

Humidity 73%
Wind Speed Calm
Barometer 29.90 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 14 Nov 6:35 am MST
Extended Forecast for

2 Miles NNE Saint Marys Glacier CO

  • Today

    Today: Snow showers likely, mainly after 5pm. Mostly cloudy, with a high near 37. West southwest wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.

    High: 37 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Tonight

    Tonight: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 27. West northwest wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Snow Showers
    Likely then
    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Sunny, with a high near 40. West northwest wind 8 to 13 mph becoming light north northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. West wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 48. West wind 9 to 14 mph becoming light and variable in the afternoon. Winds could gust as high as 22 mph.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers after 11pm. Partly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: A chance of snow showers. Partly sunny, with a high near 35. Breezy.

    High: 35 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Today
Snow showers likely, mainly after 5pm. Mostly cloudy, with a high near 37. West southwest wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 60%. Total daytime snow accumulation of around an inch possible.
Tonight
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 27. West northwest wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Sunday
Sunny, with a high near 40. West northwest wind 8 to 13 mph becoming light north northwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 27. West wind 8 to 14 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 48. West wind 9 to 14 mph becoming light and variable in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
A slight chance of snow showers after 11pm. Partly cloudy, with a low around 27.
Wednesday
A chance of snow showers. Partly sunny, with a high near 35. Breezy.
Wednesday Night
A slight chance of snow showers before 11pm. Partly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 22.
Friday
Snow showers likely. Partly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Saint Marys Glacier CO
 39.87°N 105.64°W (Elev. 10003 ft)
Last Update:
4:13 am MST Nov 14, 2026
Forecast Valid:
6am MST Nov 14, 2026-6pm MST Nov 20, 2026
 
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Additional Resources

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Chance of Precipitation