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

-12°C

11°F

Humidity 73%
Wind Speed W 19 km/h
Barometer 30.27 in
Dewpoint -16°C (4°F)
Visibility 16 km
Wind Chill-20°C (-4°F)
Last update 22 Jan 3:35 pm MST
Extended Forecast for

3 Miles WNW Saint Marys Glacier CO

  • This Afternoon

    This Afternoon: A 50 percent chance of snow. Widespread blowing snow. Mostly cloudy and cold, with a high near -21. Wind chill values as low as -38. Windy, with a northwest wind 42 to 45 km/h, with gusts as high as 65 km/h. Total daytime snow accumulation of 2 to 4 centimeters possible.

    High: -21 °C

    Chance Snow
    and Blowing
    Snow

  • Tonight

    Tonight: A 50 percent chance of snow. Widespread blowing snow, mainly before 11pm. Mostly cloudy, with a low around -26. Wind chill values as low as -39. Windy, with a west northwest wind 40 to 45 km/h decreasing to 34 to 39 km/h after midnight. Winds could gust as high as 65 km/h. New snow accumulation of 1 to 2 centimeters possible.

    Low: -26 °C

    Chance Snow
    and Blowing
    Snow

  • Thursday

    Thursday: A 20 percent chance of snow. Patchy blowing snow. Partly sunny and cold, with a high near -17. Wind chill values as low as -41. Windy, with a west northwest wind 34 to 39 km/h increasing to 40 to 45 km/h in the afternoon. Winds could gust as high as 65 km/h.

    High: -17 °C

    Slight Chance
    Snow and
    Patchy
    Blowing Snow

  • Thursday Night

    Thursday Night: Widespread blowing snow, mainly after 11pm. Partly cloudy, with a low around -22. Wind chill values as low as -37. Windy, with a west wind 40 to 45 km/h increasing to 50 to 55 km/h after midnight. Winds could gust as high as 80 km/h.

    Low: -22 °C

    Blowing Snow
    and Windy

  • Friday

    Friday: Snow likely after 11am. Areas of blowing snow. Partly sunny and cold, with a high near -12. Windy, with a west wind 45 to 50 km/h decreasing to 34 to 39 km/h in the afternoon. Winds could gust as high as 75 km/h. Chance of precipitation is 60%.

    High: -12 °C

    Snow Likely
    and Areas
    Blowing Snow

  • Friday Night

    Friday Night: Snow. Low around -19. Breezy. Chance of precipitation is 80%.

    Low: -19 °C

    Snow and
    Breezy

  • Saturday

    Saturday: Snow. High near -19. Breezy. Chance of precipitation is 90%.

    High: -19 °C

    Snow and
    Breezy

  • Saturday Night

    Saturday Night: Snow. Cloudy, with a low around -21.

    Low: -21 °C

    Snow

  • Sunday

    Sunday: Snow. Mostly cloudy and cold, with a high near -14.

    High: -14 °C

    Snow

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Widespread blowing snow. Mostly cloudy and cold, with a high near -21. Wind chill values as low as -38. Windy, with a northwest wind 42 to 45 km/h, with gusts as high as 65 km/h. Total daytime snow accumulation of 2 to 4 centimeters possible.
Tonight
A 50 percent chance of snow. Widespread blowing snow, mainly before 11pm. Mostly cloudy, with a low around -26. Wind chill values as low as -39. Windy, with a west northwest wind 40 to 45 km/h decreasing to 34 to 39 km/h after midnight. Winds could gust as high as 65 km/h. New snow accumulation of 1 to 2 centimeters possible.
Thursday
A 20 percent chance of snow. Patchy blowing snow. Partly sunny and cold, with a high near -17. Wind chill values as low as -41. Windy, with a west northwest wind 34 to 39 km/h increasing to 40 to 45 km/h in the afternoon. Winds could gust as high as 65 km/h.
Thursday Night
Widespread blowing snow, mainly after 11pm. Partly cloudy, with a low around -22. Wind chill values as low as -37. Windy, with a west wind 40 to 45 km/h increasing to 50 to 55 km/h after midnight. Winds could gust as high as 80 km/h.
Friday
Snow likely after 11am. Areas of blowing snow. Partly sunny and cold, with a high near -12. Windy, with a west wind 45 to 50 km/h decreasing to 34 to 39 km/h in the afternoon. Winds could gust as high as 75 km/h. Chance of precipitation is 60%.
Friday Night
Snow. Low around -19. Breezy. Chance of precipitation is 80%.
Saturday
Snow. High near -19. Breezy. Chance of precipitation is 90%.
Saturday Night
Snow. Cloudy, with a low around -21.
Sunday
Snow. Mostly cloudy and cold, with a high near -14.
Sunday Night
A chance of snow, mainly before 11pm. Partly cloudy, with a low around -21.
Monday
A slight chance of snow. Mostly sunny, with a high near -11.
Monday Night
Partly cloudy, with a low around -18.
Tuesday
A slight chance of snow. Mostly sunny, with a high near -10.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Saint Marys Glacier CO
 39.84°N 105.69°W (Elev. 12507 m)
Last Update:
2:46 pm MST Jan 22, 2025
Forecast Valid:
3pm MST Jan 22, 2025-6pm MST Jan 28, 2025
 
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