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

Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East and West

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Partly Cloudy and Breezy

70°F

21°C

Humidity 30%
Wind Speed NW 23 G 31 mph
Barometer 30.29 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 16 Jul 6:15 pm MDT
Extended Forecast for

5 Miles ENE Trail Ridge CO

Severe T-storm Watch until July 16, 10:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch until July 16, 10:00pm

    NOW until 10:00pm Wed

    Severe T-storm Watch

  • Tonight

    Low: 40 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. West wind 8 to 11 mph, with gusts as high as 18 mph.

    High: 60 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 42. Breezy, with a west southwest wind 9 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    T-storms then
    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 60. Breezy, with a west wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 60 °F

    Partly Sunny
    and Breezy
    then T-storms
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 40. West southwest wind 8 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 50%.

    Low: 40 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 59. Chance of precipitation is 80%.

    High: 59 °F

    Slight Chance
    Showers then
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Chance
    T-storms then
    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Showers and thunderstorms likely after noon. Partly sunny, with a high near 60. Breezy.

    High: 60 °F

    Breezy.
    Mostly Sunny
    then T-storms
    Likely

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 40. West northwest wind 5 to 10 mph becoming south southeast in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 70%.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 60. West wind 8 to 11 mph, with gusts as high as 18 mph.
Thursday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 42. Breezy, with a west southwest wind 9 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Friday
Showers and thunderstorms likely after noon. Mostly cloudy, with a high near 60. Breezy, with a west wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 40. West southwest wind 8 to 13 mph, with gusts as high as 17 mph. Chance of precipitation is 50%.
Saturday
A slight chance of showers, then showers and possibly a thunderstorm after noon. High near 59. Chance of precipitation is 80%.
Saturday Night
A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 39. Breezy.
Sunday
Showers and thunderstorms likely after noon. Partly sunny, with a high near 60. Breezy.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 40. Breezy.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 62. Breezy.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 41. Breezy.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 64. Breezy.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 42. Breezy.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 62. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Trail Ridge CO
 40.46°N 105.67°W (Elev. 12001 ft)
Last Update:
2:48 pm MDT Jul 16, 2025
Forecast Valid:
6pm MDT Jul 16, 2025-6pm MDT Jul 23, 2025
 
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