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

55°F

13°C

Humidity 29%
Wind Speed E 5 mph
Barometer 30.49 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 8 Aug 1:55 am MDT
Extended Forecast for

3 Miles SW East Portal CO

  • Overnight

    Overnight: Areas of smoke. Mostly clear, with a low around 48. West southwest wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 48 °F

    Areas Smoke

  • Saturday

    Saturday: A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 67. Breezy, with a west northwest wind 8 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 67 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50. Breezy, with a northwest wind 9 to 15 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.

    Low: 50 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 64. West northwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 64 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 48. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon. Partly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Areas of smoke. Mostly clear, with a low around 48. West southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday
A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 67. Breezy, with a west northwest wind 8 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 50. Breezy, with a northwest wind 9 to 15 mph becoming west southwest after midnight. Winds could gust as high as 24 mph.
Sunday
A 30 percent chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 64. West northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 48. West wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 61.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 61.
Tuesday Night
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 46.
Wednesday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 59.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43.
Thursday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 52.
Thursday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 41.
Friday
Showers and thunderstorms. Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW East Portal CO
 39.86°N 105.69°W (Elev. 11962 ft)
Last Update:
12:46 am MDT Aug 8, 2026
Forecast Valid:
2am MDT Aug 8, 2026-6pm MDT Aug 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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