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.

Light Snow

23°F

-5°C

Humidity 65%
Wind Speed Calm
Barometer 30.30 in
Dewpoint 13°F (-11°C)
Visibility 7.00 mi
Last update 19 Jan 9:35 am MST
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • M.L.King Day

    M.L.King Day: A 20 percent chance of snow before 10am. Mostly sunny, with a high near 13. Wind chill values as low as -14. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 31 mph.

    High: 13 °F

    Blustery.
    Slight Chance
    Snow then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 1. Wind chill values as low as -25. Windy, with a west wind 22 to 31 mph, with gusts as high as 47 mph.

    Low: 1 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 14. Wind chill values as low as -22. Windy, with a west wind 26 to 31 mph, with gusts as high as 47 mph.

    High: 14 °F

    Sunny and
    Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 3. Wind chill values as low as -20. Windy, with a west wind 22 to 25 mph, with gusts as high as 38 mph.

    Low: 3 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Sunny, with a high near 14. Windy, with a west wind 21 to 25 mph, with gusts as high as 43 mph.

    High: 14 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 4. Breezy.

    Low: 4 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 18. Breezy.

    High: 18 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: A slight chance of snow after 11pm. Mostly cloudy, with a low around 4. Breezy.

    Low: 4 °F

    Slight Chance
    Snow and
    Breezy

  • Friday

    Friday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 13.

    High: 13 °F

    Snow Likely

Detailed Forecast

M.L.King Day
A 20 percent chance of snow before 10am. Mostly sunny, with a high near 13. Wind chill values as low as -14. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 1. Wind chill values as low as -25. Windy, with a west wind 22 to 31 mph, with gusts as high as 47 mph.
Tuesday
Sunny, with a high near 14. Wind chill values as low as -22. Windy, with a west wind 26 to 31 mph, with gusts as high as 47 mph.
Tuesday Night
Partly cloudy, with a low around 3. Wind chill values as low as -20. Windy, with a west wind 22 to 25 mph, with gusts as high as 38 mph.
Wednesday
Sunny, with a high near 14. Windy, with a west wind 21 to 25 mph, with gusts as high as 43 mph.
Wednesday Night
Partly cloudy, with a low around 4. Breezy.
Thursday
Mostly sunny, with a high near 18. Breezy.
Thursday Night
A slight chance of snow after 11pm. Mostly cloudy, with a low around 4. Breezy.
Friday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 13.
Friday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 4.
Saturday
A chance of snow. Partly sunny, with a high near 12. Breezy.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 1. Breezy.
Sunday
A slight chance of snow. Mostly sunny, with a high near 14. Blustery.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
3:27 am MST Jan 19, 2026
Forecast Valid:
9am MST Jan 19, 2026-6pm MST Jan 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation