Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

60°F

16°C

Humidity 49%
Wind Speed Calm
Barometer 30.56 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 30 Jul 8:15 pm MDT
Extended Forecast for

LONG'S PEAK CO

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Partly cloudy, with a low around 39. Southeast wind 9 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Showers and thunderstorms likely after noon.  Increasing clouds, with a high near 52. West southwest wind 9 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 70%.

    High: 52 °F

    Sunny then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 40. Breezy, with a west wind 13 to 20 mph becoming south southwest in the evening. Winds could gust as high as 23 mph.  Chance of precipitation is 50%.

    Low: 40 °F

    Breezy.
    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A chance of rain and snow showers between noon and 3pm, then a chance of rain showers after 3pm. Some thunder is also possible.  Partly sunny, with a high near 52. Breezy, with a west southwest wind 11 to 20 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 52 °F

    Mostly Sunny
    and Breezy
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Some thunder is also possible.  Mostly clear, with a low around 41. Breezy, with a west wind 11 to 16 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 20%.

    Low: 41 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Saturday

    Saturday: A chance of rain and snow showers after noon. Some thunder is also possible.  Mostly sunny, with a high near 53. Breezy.  Chance of precipitation is 50%.

    High: 53 °F

    Breezy. Sunny
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A slight chance of rain and snow showers before midnight. Some thunder is also possible.  Partly cloudy, with a low around 40. Breezy.  Chance of precipitation is 20%.

    Low: 40 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: A slight chance of snow showers after noon. Some thunder is also possible.  Mostly sunny, with a high near 53. Breezy.

    High: 53 °F

    Breezy. Sunny
    then Slight
    Chance Snow
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Breezy.

    Low: 40 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 39. Southeast wind 9 to 11 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Thursday
Showers and thunderstorms likely after noon. Increasing clouds, with a high near 52. West southwest wind 9 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 40. Breezy, with a west wind 13 to 20 mph becoming south southwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Friday
A chance of rain and snow showers between noon and 3pm, then a chance of rain showers after 3pm. Some thunder is also possible. Partly sunny, with a high near 52. Breezy, with a west southwest wind 11 to 20 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday Night
A slight chance of rain showers, mixing with snow after 9pm, then gradually ending. Some thunder is also possible. Mostly clear, with a low around 41. Breezy, with a west wind 11 to 16 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 20%.
Saturday
A chance of rain and snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 53. Breezy. Chance of precipitation is 50%.
Saturday Night
A slight chance of rain and snow showers before midnight. Some thunder is also possible. Partly cloudy, with a low around 40. Breezy. Chance of precipitation is 20%.
Sunday
A slight chance of snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 53. Breezy.
Sunday Night
Mostly clear, with a low around 40. Breezy.
Monday
A slight chance of rain and snow showers after noon. Some thunder is also possible. Mostly sunny, with a high near 55. Breezy.
Monday Night
Partly cloudy, with a low around 43. Breezy.
Tuesday
Mostly sunny, with a high near 56. Breezy.
Tuesday Night
Partly cloudy, with a low around 43. Windy.
Wednesday
A chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 55. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
LONG'S PEAK CO
 40.27°N 105.62°W (Elev. 12999 ft)
3:03 pm MDT Jul 30, 2025
8pm MDT Jul 30, 2025-6pm MDT Aug 6, 2025
 
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Additional Resources

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Hourly Weather Forecast

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