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.

Fair

31°F

-1°C

Humidity 92%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 2 Mar 2:55 am MST
Extended Forecast for

3 Miles SSW East Portal CO

  • Overnight

    Overnight: Partly cloudy, with a low around 24. Breezy, with a west wind around 16 mph, with gusts as high as 26 mph.

    Low: 24 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 37. Breezy, with a west wind 20 to 23 mph, with gusts as high as 38 mph.

    High: 37 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: A 40 percent chance of snow showers, mainly after 11pm. Increasing clouds, with a low around 20. Breezy, with a west southwest wind 15 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    Showers and
    Breezy

  • Tuesday

    Tuesday: Snow showers. Some thunder is also possible. High near 27. Blustery, with a northwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 27 °F

    Snow Showers
    and Blustery

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 15. Breezy, with a west wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    Low: 15 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers and
    Breezy

  • Wednesday

    Wednesday: A 20 percent chance of snow showers before 11am. Sunny, with a high near 34. Breezy.

    High: 34 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16. Breezy.

    Low: 16 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: A chance of snow showers after 11am. Partly sunny, with a high near 33. Breezy.

    High: 33 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Snow. Mostly cloudy, with a low around 14. Breezy.

    Low: 14 °F

    Snow and
    Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 24. Breezy, with a west wind around 16 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 37. Breezy, with a west wind 20 to 23 mph, with gusts as high as 38 mph.
Monday Night
A 40 percent chance of snow showers, mainly after 11pm. Increasing clouds, with a low around 20. Breezy, with a west southwest wind 15 to 18 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Tuesday
Snow showers. Some thunder is also possible. High near 27. Blustery, with a northwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 15. Breezy, with a west wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of snow showers before 11am. Sunny, with a high near 34. Breezy.
Wednesday Night
Mostly clear, with a low around 16. Breezy.
Thursday
A chance of snow showers after 11am. Partly sunny, with a high near 33. Breezy.
Thursday Night
Snow. Mostly cloudy, with a low around 14. Breezy.
Friday
Snow. The snow could be heavy at times. Cloudy, with a high near 20. Blustery.
Friday Night
Snow likely. Mostly cloudy, with a low around 8. Breezy.
Saturday
A chance of snow. Partly sunny, with a high near 24. Breezy.
Saturday Night
Mostly clear, with a low around 13. Windy.
Sunday
A slight chance of snow. Mostly sunny, with a high near 29. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW East Portal CO
 39.87°N 105.66°W (Elev. 10620 ft)
Last Update:
11:46 pm MST Mar 1, 2026
Forecast Valid:
3am MST Mar 2, 2026-6pm MDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation