Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

61°F

16°C

Humidity 26%
Wind Speed SE 10 mph
Barometer 30.11 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 17 Jun 7:15 am MDT
Extended Forecast for

9 Miles WSW Trail Ridge CO

Red Flag Warning June 17, 12:00pm until June 17, 08:00pm
Click here for hazard details and duration
Red Flag Warning
  • Today

    Today: Sunny, with a high near 68. Windy, with a west wind 26 to 30 mph, with gusts as high as 45 mph.

    High: 68 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Clear, with a low around 38. Windy, with a west northwest wind 18 to 28 mph decreasing to 6 to 16 mph after midnight. Winds could gust as high as 41 mph.

    Low: 38 °F

    Mostly Clear
    and Windy
    then Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Breezy, with a west wind 8 to 16 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. Breezy, with a west wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 37 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 71. West wind 5 to 14 mph, with gusts as high as 24 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 69. Windy.

    High: 69 °F

    Sunny and
    Breezy then
    Slight Chance
    T-storms and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. Breezy.

    Low: 36 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Breezy.

    High: 63 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 68. Windy, with a west wind 26 to 30 mph, with gusts as high as 45 mph.
Tonight
Clear, with a low around 38. Windy, with a west northwest wind 18 to 28 mph decreasing to 6 to 16 mph after midnight. Winds could gust as high as 41 mph.
Thursday
Sunny, with a high near 66. Breezy, with a west wind 8 to 16 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 37. Breezy, with a west wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Juneteenth
Mostly sunny, with a high near 71. West wind 5 to 14 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 39.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. Windy.
Saturday Night
Mostly clear, with a low around 36. Breezy.
Sunday
Sunny, with a high near 63. Breezy.
Sunday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 34.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 68.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Trail Ridge CO
 40.38°N 105.89°W (Elev. 11201 ft)
12:46 am MDT Jun 17, 2026
7am MDT Jun 17, 2026-6pm MDT Jun 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