Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

64°F

18°C

Humidity 42%
Wind Speed SE 3 mph
Barometer 30.37 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 23 Sep 1:35 pm MDT
Extended Forecast for

5 Miles NW LONG'S PEAK CO

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 47. West southwest wind 6 to 8 mph becoming northwest.

    High: 47 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 38. Northwest wind around 6 mph becoming calm.  Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 41. East wind 6 to 9 mph, with gusts as high as 15 mph.  Chance of precipitation is 70%.

    High: 41 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Rain and snow showers likely before 9pm, then rain showers likely between 9pm and 3am, then a chance of rain and snow showers after 3am. Some thunder is also possible.  Mostly cloudy, with a low around 35. East wind 5 to 8 mph becoming west after midnight.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow showers before 3pm, then a chance of rain showers. Some thunder is also possible.  Partly sunny, with a high near 45. West wind 8 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    High: 45 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Windy.

    Low: 35 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 49. Breezy.

    High: 49 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 47. West southwest wind 6 to 8 mph becoming northwest.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. Northwest wind around 6 mph becoming calm. Chance of precipitation is 40%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 41. East wind 6 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Thursday Night
Rain and snow showers likely before 9pm, then rain showers likely between 9pm and 3am, then a chance of rain and snow showers after 3am. Some thunder is also possible. Mostly cloudy, with a low around 35. East wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
A chance of rain and snow showers before 3pm, then a chance of rain showers. Some thunder is also possible. Partly sunny, with a high near 45. West wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 35. Windy.
Saturday
Sunny, with a high near 49. Breezy.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Partly sunny, with a high near 51.
Sunday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 39. Breezy.
Monday
Rain and snow showers. Some thunder is also possible. Mostly cloudy, with a high near 43. Breezy.
Monday Night
Rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 31.
Tuesday
Snow showers likely. Some thunder is also possible. Partly sunny, with a high near 36. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW LONG'S PEAK CO
 40.31°N 105.68°W (Elev. 12136 ft)
12:46 pm MDT Sep 23, 2026
1pm MDT Sep 23, 2026-6pm MDT Sep 29, 2026
 
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Additional Resources

Radar & Satellite Image

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National Digital Forecast Database