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.

Overcast

37°F

3°C

Humidity 81%
Wind Speed W 7 mph
Barometer 30.52 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 15 Oct 9:15 am MDT
Extended Forecast for

Saint Marys Glacier CO

  • Today

    Today: A 40 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 32. North northeast wind 7 to 13 mph, with gusts as high as 21 mph. Total daytime snow accumulation of less than one inch possible.

    High: 32 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 17. North wind 5 to 9 mph becoming west northwest in the evening. Winds could gust as high as 15 mph.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 42. North northwest wind 5 to 8 mph becoming light and variable in the afternoon.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 28. Breezy, with a light west southwest wind becoming west 10 to 15 mph in the evening. Winds could gust as high as 25 mph.

    Low: 28 °F

    Clear then
    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 53. Breezy, with a west northwest wind 11 to 16 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 53 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. Breezy.

    Low: 32 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Breezy.

    High: 48 °F

    Mostly Sunny
    and Breezy
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
A 40 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 32. North northeast wind 7 to 13 mph, with gusts as high as 21 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Mostly clear, with a low around 17. North wind 5 to 9 mph becoming west northwest in the evening. Winds could gust as high as 15 mph.
Friday
Sunny, with a high near 42. North northwest wind 5 to 8 mph becoming light and variable in the afternoon.
Friday Night
Clear, with a low around 28. Breezy, with a light west southwest wind becoming west 10 to 15 mph in the evening. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 53. Breezy, with a west northwest wind 11 to 16 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 26 mph.
Saturday Night
Mostly clear, with a low around 32. Breezy.
Sunday
Mostly sunny, with a high near 48. Breezy.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
A chance of rain and snow showers. Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys Glacier CO
 39.82°N 105.63°W (Elev. 10735 ft)
Last Update:
12:46 am MDT Oct 15, 2026
Forecast Valid:
9am MDT Oct 15, 2026-6pm MDT Oct 21, 2026
 
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Additional Resources

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