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.

Light Snow

18°F

-8°C

Humidity 85%
Wind Speed E 3 mph
Barometer 30.02 in
Dewpoint 14°F (-10°C)
Visibility 4.00 mi
Last update 5 Dec 5:15 am MST
Extended Forecast for

East Portal CO

Winter Storm Warning December 5, 11:00pm until December 6, 11:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: Snow likely. Widespread blowing snow. Mostly cloudy, with a low around 6. Wind chill values as low as -15. Windy, with a west wind around 31 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 6 °F

    Snow Likely
    and Blowing
    Snow

  • Friday

    Friday: Snow likely, mainly before 3pm. Areas of blowing snow. Mostly cloudy, with a high near 19. Wind chill values as low as -15. Windy, with a west northwest wind 20 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    High: 19 °F

    Snow Likely
    and Areas
    Blowing Snow

  • Friday Night

    Friday Night: Snow, mainly after 11pm. The snow could be heavy at times. Widespread blowing snow, mainly after 11pm. Temperature rising to around 21 by 5am. Wind chill values as low as -5. Windy, with a west wind 24 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Low: 14 °F⇑

    Heavy Snow
    and Blowing
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Widespread blowing snow. High near 21. Wind chill values as low as -5. Windy, with a west northwest wind around 31 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    High: 21 °F

    Heavy Snow
    and Blowing
    Snow

  • Saturday Night

    Saturday Night: Snow likely. Widespread blowing snow, mainly before 3am. Mostly cloudy, with a low around 10. Windy, with a west wind 25 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 60%.

    Low: 10 °F

    Snow Likely
    and Blowing
    Snow

  • Sunday

    Sunday: A 40 percent chance of snow before 11am. Patchy blowing snow. Mostly sunny, with a high near 17. Windy.

    High: 17 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 10. Windy.

    Low: 10 °F

    Slight Chance
    Snow and
    Windy

  • Monday

    Monday: A chance of snow, mainly before 11am. Partly sunny, with a high near 23. Windy.

    High: 23 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Very windy.

    Low: 15 °F

    Partly Cloudy
    and Very
    Windy

Detailed Forecast

Overnight
Snow likely. Widespread blowing snow. Mostly cloudy, with a low around 6. Wind chill values as low as -15. Windy, with a west wind around 31 mph, with gusts as high as 47 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before 3pm. Areas of blowing snow. Mostly cloudy, with a high near 19. Wind chill values as low as -15. Windy, with a west northwest wind 20 to 29 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow, mainly after 11pm. The snow could be heavy at times. Widespread blowing snow, mainly after 11pm. Temperature rising to around 21 by 5am. Wind chill values as low as -5. Windy, with a west wind 24 to 31 mph, with gusts as high as 47 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Saturday
Snow. The snow could be heavy at times. Widespread blowing snow. High near 21. Wind chill values as low as -5. Windy, with a west northwest wind around 31 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Saturday Night
Snow likely. Widespread blowing snow, mainly before 3am. Mostly cloudy, with a low around 10. Windy, with a west wind 25 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of snow before 11am. Patchy blowing snow. Mostly sunny, with a high near 17. Windy.
Sunday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 10. Windy.
Monday
A chance of snow, mainly before 11am. Partly sunny, with a high near 23. Windy.
Monday Night
Partly cloudy, with a low around 15. Very windy.
Tuesday
A slight chance of snow after 11am. Partly sunny, with a high near 30. Very windy.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 20. Very windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 28. Windy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23. Very windy.
Thursday
A chance of snow. Partly sunny, with a high near 30. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Portal CO
 39.89°N 105.67°W (Elev. 10000 ft)
Last Update:
3:26 am MST Dec 5, 2025
Forecast Valid:
5am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation