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.

Overcast

39°F

4°C

Humidity 49%
Wind Speed NW 5 mph
Barometer 29.84 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 13 Mar 10:55 am MDT
Extended Forecast for

4 Miles W Saint Marys Glacier CO

  • Today

    Today: A 30 percent chance of snow, mainly after 5pm. Partly sunny, with a high near 24. Breezy, with a west southwest wind 11 to 17 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.

    High: 24 °F

    Chance Snow
    and Breezy

  • Tonight

    Tonight: Snow likely, mainly after 3am. Mostly cloudy, with a low around 6. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 6 °F

    Snow Likely

  • Friday

    Friday: Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 7am. High near 12. Wind chill values as low as -19. Very windy, with a west northwest wind 17 to 27 mph increasing to 28 to 38 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 12 °F

    Heavy Snow
    and Blowing
    Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Widespread blowing snow, mainly before midnight. Mostly cloudy, with a low around 3. Wind chill values as low as -17. Very windy, with a west wind 32 to 37 mph decreasing to 23 to 28 mph after midnight. Winds could gust as high as 55 mph. New snow accumulation of less than a half inch possible.

    Low: 3 °F

    Chance Snow
    and Blowing
    Snow

  • Saturday

    Saturday: Snow, mainly after noon. High near 9. Windy, with a west wind 20 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.

    High: 9 °F

    Chance Snow
    and Breezy
    then Snow and
    Windy

  • Saturday Night

    Saturday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 4. Windy.

    Low: 4 °F

    Windy. Chance
    Snow then
    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 19. Windy.

    High: 19 °F

    Mostly Sunny
    and Windy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15. Windy.

    Low: 15 °F

    Mostly Clear
    and Windy

  • Monday

    Monday: Mostly sunny, with a high near 35. Windy.

    High: 35 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Today
A 30 percent chance of snow, mainly after 5pm. Partly sunny, with a high near 24. Breezy, with a west southwest wind 11 to 17 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.
Tonight
Snow likely, mainly after 3am. Mostly cloudy, with a low around 6. Southwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 7am. High near 12. Wind chill values as low as -19. Very windy, with a west northwest wind 17 to 27 mph increasing to 28 to 38 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Friday Night
A 40 percent chance of snow. Widespread blowing snow, mainly before midnight. Mostly cloudy, with a low around 3. Wind chill values as low as -17. Very windy, with a west wind 32 to 37 mph decreasing to 23 to 28 mph after midnight. Winds could gust as high as 55 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow, mainly after noon. High near 9. Windy, with a west wind 20 to 28 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.
Saturday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 4. Windy.
Sunday
Mostly sunny, with a high near 19. Windy.
Sunday Night
Mostly clear, with a low around 15. Windy.
Monday
Mostly sunny, with a high near 35. Windy.
Monday Night
A chance of snow after midnight. Partly cloudy, with a low around 17. Windy.
Tuesday
Snow. Mostly cloudy, with a high near 19. Breezy.
Tuesday Night
Snow. Cloudy, with a low around 4. Breezy.
Wednesday
Snow. Mostly cloudy and cold, with a high near 8. Breezy.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Marys Glacier CO
 39.84°N 105.72°W (Elev. 12260 ft)
Last Update:
10:18 am MDT Mar 13, 2025
Forecast Valid:
11am MDT Mar 13, 2025-6pm MDT Mar 19, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation