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

Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest

A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

78°F

26°C

Humidity 27%
Wind Speed N 8 mph
Barometer 30.45 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 22 Aug 4:15 pm MDT
Extended Forecast for

Trail Ridge CO

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 56. North northeast wind around 7 mph.

    High: 56 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. East northeast wind 6 to 8 mph becoming south southeast after midnight. Chance of precipitation is 50%.

    Low: 38 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and thunderstorms likely after 9am. Partly sunny, with a high near 58. South wind 6 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    High: 58 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 36. North northeast wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 57. West southwest wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 70%.

    High: 57 °F

    Chance
    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Showers
    Likely

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 50. Chance of precipitation is 90%.

    High: 50 °F

    Showers
    Likely then
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance
    Showers then
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 56. North northeast wind around 7 mph.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. East northeast wind 6 to 8 mph becoming south southeast after midnight. Chance of precipitation is 50%.
Saturday
A chance of showers, then showers and thunderstorms likely after 9am. Partly sunny, with a high near 58. South wind 6 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 36. North northeast wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Sunday
A chance of showers, then showers and thunderstorms likely after noon. Mostly cloudy, with a high near 57. West southwest wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Monday
Showers and possibly a thunderstorm. High near 50. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 35.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly cloudy, with a high near 51.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 35.
Wednesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 52.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 36.
Thursday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 50.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 34.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trail Ridge CO
 40.43°N 105.75°W (Elev. 11864 ft)
Last Update:
2:10 pm MDT Aug 22, 2025
Forecast Valid:
4pm MDT Aug 22, 2025-6pm MDT Aug 29, 2025
 
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