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

30°F

-1°C

Humidity 67%
Wind Speed Calm
Barometer 30.39 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 6 Apr 12:35 am MDT
Extended Forecast for

3 Miles W Saint Marys Glacier CO

  • Overnight

    Overnight: Mostly clear, with a low around 19. West wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 19 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of snow showers after 2pm. Mostly sunny, with a high near 41. West wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 41 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 19. West northwest wind 8 to 14 mph becoming north northeast in the evening. Winds could gust as high as 22 mph.

    Low: 19 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 13 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 34 °F

    Snow Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: A 50 percent chance of snow showers, mainly before 10pm. Partly cloudy, with a low around 22. Blustery, with a west wind 18 to 22 mph, with gusts as high as 34 mph.

    Low: 22 °F

    Chance Snow
    Showers and
    Blustery

  • Wednesday

    Wednesday: A 50 percent chance of snow showers after noon. Partly sunny, with a high near 35. Windy.

    High: 35 °F

    Windy. Mostly
    Sunny then
    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers before midnight. Partly cloudy, with a low around 19. Windy.

    Low: 19 °F

    Chance Snow
    Showers and
    Windy then
    Partly Cloudy

  • Thursday

    Thursday: Snow showers, mainly after noon. Mostly cloudy, with a high near 34. Windy.

    High: 34 °F

    Snow Showers
    and Windy

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 22. Breezy.

    Low: 22 °F

    Snow Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 19. West wind 8 to 13 mph, with gusts as high as 21 mph.
Monday
A 20 percent chance of snow showers after 2pm. Mostly sunny, with a high near 41. West wind 11 to 14 mph, with gusts as high as 22 mph.
Monday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 19. West northwest wind 8 to 14 mph becoming north northeast in the evening. Winds could gust as high as 22 mph.
Tuesday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 34. Breezy, with a west northwest wind 13 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday Night
A 50 percent chance of snow showers, mainly before 10pm. Partly cloudy, with a low around 22. Blustery, with a west wind 18 to 22 mph, with gusts as high as 34 mph.
Wednesday
A 50 percent chance of snow showers after noon. Partly sunny, with a high near 35. Windy.
Wednesday Night
A 40 percent chance of snow showers before midnight. Partly cloudy, with a low around 19. Windy.
Thursday
Snow showers, mainly after noon. Mostly cloudy, with a high near 34. Windy.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 22. Breezy.
Friday
Snow showers, mainly after noon. Mostly cloudy, with a high near 35. Breezy.
Friday Night
Snow showers likely. Mostly cloudy, with a low around 22. Breezy.
Saturday
Snow showers. Mostly cloudy, with a high near 36. Breezy.
Saturday Night
Snow showers. Mostly cloudy, with a low around 22. Breezy.
Sunday
Snow showers. Mostly cloudy, with a high near 32. 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:
12:46 am MDT Apr 6, 2026
Forecast Valid:
12am MDT Apr 6, 2026-6pm MDT Apr 12, 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