Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Mostly Cloudy

38°F

3°C

Humidity 95%
Wind Speed Calm
Barometer 30.20 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 6 Oct 1:35 am MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Overnight

    Overnight: Snow showers likely, mainly before 3am.  Mostly cloudy, with a low around 24. South wind 10 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 24 °F

    Snow Showers
    Likely

  • Monday

    Monday: A 40 percent chance of snow showers, mainly after 3pm. Some thunder is also possible.  Partly sunny, with a high near 34. Southwest wind 8 to 10 mph, with gusts as high as 16 mph.  New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of snow showers, mainly before midnight.  Mostly cloudy, with a low around 23. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 15 mph.  New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 37. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. Breezy.

    High: 42 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 44. Breezy.

    High: 44 °F

    Sunny and
    Breezy then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers likely, mainly before 3am. Mostly cloudy, with a low around 24. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 3 to 5 inches possible.
Monday
A 40 percent chance of snow showers, mainly after 3pm. Some thunder is also possible. Partly sunny, with a high near 34. Southwest wind 8 to 10 mph, with gusts as high as 16 mph. New snow accumulation of less than a half inch possible.
Monday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 23. South wind 6 to 8 mph becoming west after midnight. Winds could gust as high as 15 mph. New snow accumulation of less than a half inch possible.
Tuesday
Sunny, with a high near 37. West southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 27. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 42. Breezy.
Wednesday Night
Mostly clear, with a low around 30.
Thursday
Sunny, with a high near 44. Breezy.
Thursday Night
Partly cloudy, with a low around 32.
Friday
A slight chance of rain and snow showers after noon. Mostly sunny, with a high near 43.
Friday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 34.
Saturday
A chance of rain and snow showers. Partly sunny, with a high near 43. Breezy.
Saturday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 33.
Sunday
A chance of snow showers. Partly sunny, with a high near 39. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
2:31 pm MDT Oct 5, 2025
1am MDT Oct 6, 2025-6pm MDT Oct 12, 2025
 
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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