Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

48°F

9°C

Humidity 54%
Wind Speed E 5 mph
Barometer 30.38 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 21 Sep 10:55 pm MDT
Extended Forecast for

4 Miles NNW LONG'S PEAK CO

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. South southwest wind 5 to 8 mph.

    Low: 43 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 60. West southwest wind 6 to 9 mph becoming south southeast in the afternoon. Winds could gust as high as 15 mph.  Chance of precipitation is 20%.

    High: 60 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 8pm.  Increasing clouds, with a low around 44. Light and variable wind becoming west southwest 8 to 13 mph in the evening. Winds could gust as high as 21 mph.

    Low: 44 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 58. Breezy, with a west wind 10 to 15 mph becoming light west southwest  in the afternoon. Winds could gust as high as 24 mph.

    High: 58 °F

    Cloudy and
    Breezy then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 54. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. South southwest wind 5 to 8 mph.
Tuesday
A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 60. West southwest wind 6 to 9 mph becoming south southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 8pm. Increasing clouds, with a low around 44. Light and variable wind becoming west southwest 8 to 13 mph in the evening. Winds could gust as high as 21 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 58. Breezy, with a west wind 10 to 15 mph becoming light west southwest in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 43. Light and variable wind.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 43. Breezy.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 61. Breezy.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 59.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 44.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 57. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW LONG'S PEAK CO
 40.31°N 105.65°W (Elev. 10000 ft)
12:46 pm MDT Sep 21, 2026
11pm MDT Sep 21, 2026-6pm MDT Sep 28, 2026
 
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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