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.

Partly Cloudy

77°F

25°C

Humidity 15%
Wind Speed W 13 G 21 mph
Barometer 30.31 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 9 Aug 2:55 pm MDT
Extended Forecast for

East Portal CO

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 66. West northwest wind around 9 mph, with gusts as high as 15 mph.

    High: 66 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. West northwest wind 5 to 8 mph becoming east after midnight. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and thunderstorms likely after 9am. Partly sunny, with a high near 56. South southwest wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%.

    High: 56 °F

    Chance
    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. East northeast wind 5 to 8 mph becoming west southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. West wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 22 mph.

    High: 60 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.

    High: 69 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 66. West northwest wind around 9 mph, with gusts as high as 15 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 41. West northwest wind 5 to 8 mph becoming east after midnight. Chance of precipitation is 30%.
Sunday
A chance of showers, then showers and thunderstorms likely after 9am. Partly sunny, with a high near 56. South southwest wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. East northeast wind 5 to 8 mph becoming west southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. West wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 48.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Portal CO
 39.91°N 105.64°W (Elev. 10397 ft)
Last Update:
2:37 pm MDT Aug 9, 2025
Forecast Valid:
3pm MDT Aug 9, 2025-6pm MDT Aug 15, 2025
 
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