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.

Thunderstorm in Vicinity

67°F

19°C

Humidity 47%
Wind Speed SE 7 mph
Barometer 30.31 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 16 Jul 1:55 pm MDT
Extended Forecast for

6 Miles N Silverthorne CO

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 70. West northwest wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 70 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 49. Northwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 16 mph.  Chance of precipitation is 40%.

    Low: 49 °F

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 71. South wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 71 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 51. West northwest wind 5 to 7 mph becoming south in the evening. Winds could gust as high as 15 mph.  Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm.  Partly sunny, with a high near 69. South southwest wind 5 to 7 mph becoming northwest in the afternoon.  Chance of precipitation is 60%.

    High: 69 °F

    Partly Sunny
    then T-storms
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers, then showers and thunderstorms likely after noon.  Partly sunny, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 49.

    Low: 49 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

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

    High: 69 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 70. West northwest wind 10 to 13 mph, with gusts as high as 21 mph.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 49. Northwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 16 mph. Chance of precipitation is 40%.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 71. South wind 6 to 9 mph becoming west northwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 51. West northwest wind 5 to 7 mph becoming south in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Partly sunny, with a high near 69. South southwest wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
Saturday
A slight chance of showers, then showers and thunderstorms likely after noon. Partly sunny, with a high near 69. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Silverthorne CO
 39.73°N 106.08°W (Elev. 10335 ft)
4:01 am MDT Jul 16, 2025
2pm MDT Jul 16, 2025-6pm MDT Jul 22, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database