Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Partly Cloudy

26°F

-3°C

Humidity 78%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 24 Nov 1:35 am MST
Extended Forecast for

4 Miles W Saint Marys Glacier CO

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 15. Wind chill values as low as -3. Blustery, with a northwest wind around 18 mph, with gusts as high as 30 mph.

    Low: 15 °F

    Partly Cloudy
    and Blustery

  • Monday

    Monday: Sunny, with a high near 18. Wind chill values as low as -5. Blustery, with a west northwest wind 16 to 23 mph, with gusts as high as 37 mph.

    High: 18 °F

    Sunny and
    Blustery

  • Monday Night

    Monday Night: A 30 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 7. Wind chill values as low as -9. Windy, with a west northwest wind 25 to 28 mph, with gusts as high as 41 mph.  New snow accumulation of 1 to 3 inches possible.

    Low: 7 °F

    Chance Snow
    Showers and
    Windy

  • Tuesday

    Tuesday: A 30 percent chance of snow showers before 11am.  Mostly sunny, with a high near 12. Wind chill values as low as -11. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph.  New snow accumulation of less than one inch possible.

    High: 12 °F

    Breezy.
    Chance Snow
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 8. Breezy, with a west wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 8 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Wednesday

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

    High: 18 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15. Breezy.

    Low: 15 °F

    Partly Cloudy
    and Breezy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 24. Breezy.

    High: 24 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13. Breezy.

    Low: 13 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 15. Wind chill values as low as -3. Blustery, with a northwest wind around 18 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 18. Wind chill values as low as -5. Blustery, with a west northwest wind 16 to 23 mph, with gusts as high as 37 mph.
Monday Night
A 30 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 7. Wind chill values as low as -9. Windy, with a west northwest wind 25 to 28 mph, with gusts as high as 41 mph. New snow accumulation of 1 to 3 inches possible.
Tuesday
A 30 percent chance of snow showers before 11am. Mostly sunny, with a high near 12. Wind chill values as low as -11. Breezy, with a west wind 13 to 21 mph, with gusts as high as 31 mph. New snow accumulation of less than one inch possible.
Tuesday Night
Partly cloudy, with a low around 8. Breezy, with a west wind 11 to 16 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 18. Breezy.
Wednesday Night
Partly cloudy, with a low around 15. Breezy.
Thanksgiving Day
Mostly sunny, with a high near 24. Breezy.
Thursday Night
Partly cloudy, with a low around 13. Breezy.
Friday
A slight chance of snow showers after 11am. Mostly sunny, with a high near 22.
Friday Night
A chance of snow. Mostly cloudy, with a low around 10.
Saturday
Snow likely. Mostly cloudy, with a high near 14.
Saturday Night
Snow likely. Mostly cloudy, with a low around 1.
Sunday
Snow. Mostly cloudy and cold, with a high near 5.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Saint Marys Glacier CO
 39.84°N 105.72°W (Elev. 12260 ft)
8:03 pm MST Nov 23, 2025
2am MST Nov 24, 2025-6pm MST Nov 30, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database