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

3°F

-16°C

Humidity 70%
Wind Speed Calm
Barometer 30.43 in
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Last update 27 Jan 10:15 am MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • Today

    Today: A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 11. Wind chill values as low as -16. Windy, with a west northwest wind around 29 mph, with gusts as high as 43 mph.

    High: 11 °F

    Windy. Slight
    Chance Snow
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 2. Wind chill values as low as -20. Windy, with a west northwest wind 22 to 26 mph, with gusts as high as 39 mph.

    Low: 2 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: Partly sunny, with a high near 18. Wind chill values as low as -17. Blustery, with a west wind 17 to 21 mph, with gusts as high as 34 mph.

    High: 18 °F

    Partly Sunny
    and Blustery

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 3. Wind chill values as low as -17. Breezy, with a west wind 18 to 22 mph, with gusts as high as 40 mph. New snow accumulation of less than one inch possible.

    Low: 3 °F

    Chance Snow
    and Breezy

  • Thursday

    Thursday: A 50 percent chance of snow. Partly sunny and cold, with a high near 8. Windy, with a west wind 22 to 25 mph, with gusts as high as 41 mph.

    High: 8 °F

    Chance Snow
    and Windy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 2. Breezy.

    Low: 2 °F

    Slight Chance
    Snow and
    Breezy

  • Friday

    Friday: A 40 percent chance of snow. Partly sunny, with a high near 11. Breezy.

    High: 11 °F

    Chance Snow
    and Breezy

  • Friday Night

    Friday Night: A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 7. Breezy.

    Low: 7 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: A chance of snow, mainly before 11am. Partly sunny, with a high near 17. Windy.

    High: 17 °F

    Chance Snow
    and Windy

Detailed Forecast

Today
A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 11. Wind chill values as low as -16. Windy, with a west northwest wind around 29 mph, with gusts as high as 43 mph.
Tonight
Partly cloudy, with a low around 2. Wind chill values as low as -20. Windy, with a west northwest wind 22 to 26 mph, with gusts as high as 39 mph.
Wednesday
Partly sunny, with a high near 18. Wind chill values as low as -17. Blustery, with a west wind 17 to 21 mph, with gusts as high as 34 mph.
Wednesday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 3. Wind chill values as low as -17. Breezy, with a west wind 18 to 22 mph, with gusts as high as 40 mph. New snow accumulation of less than one inch possible.
Thursday
A 50 percent chance of snow. Partly sunny and cold, with a high near 8. Windy, with a west wind 22 to 25 mph, with gusts as high as 41 mph.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 2. Breezy.
Friday
A 40 percent chance of snow. Partly sunny, with a high near 11. Breezy.
Friday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 7. Breezy.
Saturday
A chance of snow, mainly before 11am. Partly sunny, with a high near 17. Windy.
Saturday Night
Partly cloudy, with a low around 7. Breezy.
Sunday
Mostly sunny, with a high near 21. Breezy.
Sunday Night
Mostly cloudy, with a low around 10. Breezy.
Monday
A slight chance of snow. Partly sunny, with a high near 23. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 ft)
Last Update:
9:02 am MST Jan 27, 2026
Forecast Valid:
10am MST Jan 27, 2026-6pm MST Feb 2, 2026
 
Forecast Discussion
 
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