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.

Fair

32°F

0°C

Humidity 67%
Wind Speed E 5 mph
Barometer 30.19 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 30 Mar 4:15 am MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Today

    Today: A 20 percent chance of snow showers after 4pm. Mostly sunny, with a high near 42. Windy, with a west wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 47 mph.

    High: 42 °F

    Windy. Partly
    Sunny then
    Slight Chance
    Snow Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 25. Windy, with a west wind 20 to 25 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 43 mph.

    Low: 25 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: Snow showers, mainly after noon. High near 35. Breezy, with a west wind 13 to 22 mph becoming south in the morning. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Breezy.
    Chance Snow
    Showers then
    Snow Showers

  • Tuesday Night

    Tuesday Night: Snow showers. Low around 21. Breezy, with a west southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow Showers
    and Breezy

  • Wednesday

    Wednesday: Snow showers. Some thunder is also possible. High near 28. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.

    High: 28 °F

    Snow Showers
    and Breezy

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before midnight. Low around 17. Breezy. Chance of precipitation is 90%.

    Low: 17 °F

    Breezy. Snow
    Showers then
    Chance Snow
    Showers

  • Thursday

    Thursday: Snow showers likely. Mostly cloudy, with a high near 30. Windy. Chance of precipitation is 70%.

    High: 30 °F

    Snow Showers
    Likely and
    Windy

  • Thursday Night

    Thursday Night: Snow showers likely. Mostly cloudy, with a low around 10. Very windy.

    Low: 10 °F

    Snow Showers
    Likely and
    Very Windy

  • Friday

    Friday: Snow showers. Mostly cloudy, with a high near 16. Windy.

    High: 16 °F

    Snow Showers
    and Windy

Detailed Forecast

Today
A 20 percent chance of snow showers after 4pm. Mostly sunny, with a high near 42. Windy, with a west wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 47 mph.
Tonight
Partly cloudy, with a low around 25. Windy, with a west wind 20 to 25 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 43 mph.
Tuesday
Snow showers, mainly after noon. High near 35. Breezy, with a west wind 13 to 22 mph becoming south in the morning. Winds could gust as high as 37 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow showers. Low around 21. Breezy, with a west southwest wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers. Some thunder is also possible. High near 28. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 36 mph. Chance of precipitation is 100%.
Wednesday Night
Snow showers, mainly before midnight. Low around 17. Breezy. Chance of precipitation is 90%.
Thursday
Snow showers likely. Mostly cloudy, with a high near 30. Windy. Chance of precipitation is 70%.
Thursday Night
Snow showers likely. Mostly cloudy, with a low around 10. Very windy.
Friday
Snow showers. Mostly cloudy, with a high near 16. Windy.
Friday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 8. Windy.
Saturday
A chance of snow showers. Partly sunny, with a high near 22. Windy.
Saturday Night
A slight chance of snow showers. Partly cloudy, with a low around 11. Breezy.
Sunday
A slight chance of snow showers. Mostly sunny, with a high near 29. Breezy.
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:
2:42 am MDT Mar 30, 2026
Forecast Valid:
4am MDT Mar 30, 2026-6pm MDT Apr 5, 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