Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

42°F

6°C

Humidity 69%
Wind Speed E 3 mph
Barometer 30.20 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 18 Jun 5:55 am MDT
Extended Forecast for

12 Miles E Heeney CO

Fire Weather Watch June 20, 12:00pm until June 20, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • Today

    Today: Sunny, with a high near 77. South southeast wind 5 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Northwest wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 46 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 80. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North northwest wind 5 to 8 mph becoming south southeast in the evening. Winds could gust as high as 25 mph.

    Low: 49 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 78. Breezy, with a southwest wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 78 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45. Breezy.

    Low: 45 °F

    Mostly Clear
    and Breezy
    then Clear

  • Sunday

    Sunday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. South southeast wind 5 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
Mostly clear, with a low around 46. Northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Juneteenth
Mostly sunny, with a high near 80. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North northwest wind 5 to 8 mph becoming south southeast in the evening. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 78. Breezy, with a southwest wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
Mostly clear, with a low around 45. Breezy.
Sunday
Sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles E Heeney CO
 39.84°N 106.07°W (Elev. 8796 ft)
12:46 am MDT Jun 18, 2026
6am MDT Jun 18, 2026-6pm MDT Jun 24, 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