Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Overcast

60°F

16°C

Humidity 72%
Wind Speed SW 8 mph
Barometer 30.47 in
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 17 Sep 2:55 pm MDT
Extended Forecast for

4 Miles ENE Trail Ridge CO

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a steady temperature around 45. Southwest wind around 8 mph.  Chance of precipitation is 70%.

    High: 45 °F

    Showers
    Likely

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm.  Mostly cloudy, with a low around 40. West wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 40 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm, mainly after noon.  Partly sunny, with a high near 53. West wind 6 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%.

    High: 53 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 37. West wind 5 to 11 mph, with gusts as high as 16 mph.  Chance of precipitation is 40%.

    Low: 37 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain showers before noon, then rain, possibly mixed with snow showers. Some thunder is also possible.  High near 49. West southwest wind 7 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%.

    High: 49 °F

    Chance
    Showers then
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers. Some thunder is also possible.  Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Sunday

    Sunday: A 40 percent chance of snow showers. Some thunder is also possible.  Partly sunny, with a high near 45. Breezy.

    High: 45 °F

    Chance Snow
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 45. Southwest wind around 8 mph. Chance of precipitation is 70%.
Tonight
A 20 percent chance of showers before 9pm. Mostly cloudy, with a low around 40. West wind 8 to 11 mph, with gusts as high as 18 mph.
Friday
Showers likely and possibly a thunderstorm, mainly after noon. Partly sunny, with a high near 53. West wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 37. West wind 5 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.
Saturday
A chance of rain showers before noon, then rain, possibly mixed with snow showers. Some thunder is also possible. High near 49. West southwest wind 7 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 80%.
Saturday Night
A chance of rain and snow showers before midnight, then a slight chance of snow showers. Some thunder is also possible. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Sunday
A 40 percent chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 45. Breezy.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
A chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 50.
Tuesday Night
A chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 32.
Wednesday
A slight chance of rain and snow showers. Some thunder is also possible. Mostly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Trail Ridge CO
 40.46°N 105.67°W (Elev. 12001 ft)
12:46 pm MDT Sep 17, 2026
3pm MDT Sep 17, 2026-6pm MDT Sep 23, 2026
 
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