National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Light Drizzle

51°F

11°C

Humidity 95%
Wind Speed E 5 mph
Barometer 30.31 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 13 Aug 5:55 am MDT
Extended Forecast for

East Portal CO

  • Today

    Today: A chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 63. West wind 5 to 8 mph becoming south in the morning. Chance of precipitation is 80%.

    High: 63 °F

    Chance
    Showers then
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers before noon, then showers and thunderstorms likely between noon and 4pm, then showers and possibly a thunderstorm after 4pm. High near 64. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 80%.

    High: 64 °F

    Slight Chance
    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 45. West wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Mostly cloudy, with a high near 64. West wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    High: 64 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 63. West wind 5 to 8 mph becoming south in the morning. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Friday
A slight chance of showers before noon, then showers and thunderstorms likely between noon and 4pm, then showers and possibly a thunderstorm after 4pm. High near 64. West wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 45. West wind 7 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Saturday
A slight chance of showers before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Mostly cloudy, with a high near 64. West wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 45.
Sunday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 65.
Sunday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 43.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 45.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
East Portal CO
 39.91°N 105.64°W (Elev. 10397 ft)
Last Update:
12:46 am MDT Aug 13, 2026
Forecast Valid:
6am MDT Aug 13, 2026-6pm MDT Aug 19, 2026
 
Forecast Discussion
 
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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