Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Granby-Grand County Airport (KGNB)

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

Fair

68°F

20°C

Humidity 16%
Wind Speed W 6 mph
Barometer 30.23 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 18 Jun 8:15 pm MDT
Extended Forecast for

LONG'S PEAK CO

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

    Tonight: Partly cloudy, with a low around 40. Breezy, with a west wind 7 to 17 mph, with gusts as high as 28 mph.

    Low: 40 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Breezy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 56. West wind 8 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Breezy, with a southeast wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 57. Very windy, with a west wind 14 to 24 mph increasing to 27 to 37 mph in the afternoon. Winds could gust as high as 46 mph.

    High: 57 °F

    Sunny and
    Breezy then
    Slight Chance
    T-storms and
    Very Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. Very windy, with a west wind 32 to 37 mph decreasing to 18 to 23 mph in the evening. Winds could gust as high as 46 mph.

    Low: 38 °F

    Mostly Clear
    and Very
    Windy

  • Sunday

    Sunday: Sunny, with a high near 52. Windy.

    High: 52 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 52. Breezy.

    High: 52 °F

    Breezy. Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. Breezy, with a west wind 7 to 17 mph, with gusts as high as 28 mph.
Juneteenth
Mostly sunny, with a high near 56. West wind 8 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Partly cloudy, with a low around 39. Breezy, with a southeast wind 7 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 57. Very windy, with a west wind 14 to 24 mph increasing to 27 to 37 mph in the afternoon. Winds could gust as high as 46 mph.
Saturday Night
Mostly clear, with a low around 38. Very windy, with a west wind 32 to 37 mph decreasing to 18 to 23 mph in the evening. Winds could gust as high as 46 mph.
Sunday
Sunny, with a high near 52. Windy.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 35. Breezy.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 52. Breezy.
Monday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 37. Breezy.
Tuesday
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 56. Breezy.
Wednesday Night
Partly cloudy, with a low around 39. Breezy.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 56. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
LONG'S PEAK CO
 40.24°N 105.62°W (Elev. 12064 ft)
12:46 pm MDT Jun 18, 2026
8pm MDT Jun 18, 2026-6pm MDT Jun 25, 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