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

44°F

7°C

Humidity 65%
Wind Speed Calm
Barometer 30.38 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 22 Sep 12:35 am MDT
Extended Forecast for

5 Miles NW LONG'S PEAK CO

  • Overnight

    Overnight: Mostly clear, with a low around 36. Southwest wind 6 to 8 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of rain and snow showers between noon and 3pm, then a slight chance of rain showers after 3pm. Some thunder is also possible.  Mostly sunny, with a high near 51. West southwest wind 8 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 20%.

    High: 51 °F

    Sunny then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 9pm.  Mostly cloudy, with a low around 39. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Slight Chance
    Showers then
    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly cloudy, with a high near 49. Breezy, with a west southwest wind 11 to 16 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 49 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 37. North wind around 5 mph becoming calm.

    Low: 37 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 42. Chance of precipitation is 50%.

    High: 42 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of rain showers before 9pm, then a chance of rain and snow showers.  Mostly cloudy, with a low around 37. Chance of precipitation is 40%.

    Low: 37 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow showers, mainly after noon. Some thunder is also possible.  Partly sunny, with a high near 50.

    High: 50 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 36. Southwest wind 6 to 8 mph.
Tuesday
A slight chance of rain and snow showers between noon and 3pm, then a slight chance of rain showers after 3pm. Some thunder is also possible. Mostly sunny, with a high near 51. West southwest wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 39. Breezy, with a southwest wind 6 to 15 mph, with gusts as high as 24 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 49. Breezy, with a west southwest wind 11 to 16 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 37. North wind around 5 mph becoming calm.
Thursday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
Thursday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Friday
A chance of rain and snow showers, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 37. Breezy.
Saturday
Mostly sunny, with a high near 51. Breezy.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 52.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 39. Breezy.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 47. 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 am MDT Sep 22, 2026
12am MDT Sep 22, 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