Remnants of Arthur and Heavy Rainfall Across the South; Severe Weather for the East

Potential life threatening flash flooding across the northern Gulf Coast states as the remnants of Arthur track across the area. Remember, turn around - don't drown. In addition, severe thunderstorms with tornadoes are possible with the circulation of this storm. The threat for more severe thunderstorms will occur across portions of the Northeast, mid-Atlantic and central Appalachian's. Read More >

Hazardous Weather Conditions

Current conditions at

Denver - Centennial Airport (KAPA)

Lat: 39.56°NLon: 104.85°WElev: 5869ft.

Mostly Cloudy

70°F

21°C

Humidity 30%
Wind Speed S 15 G 25 mph
Barometer 30.04 in (1009.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Jun 9:53 am MDT
Extended Forecast for

Castle Rock CO

  • Today

    Today: Mostly sunny, with a high near 86. South southeast wind around 14 mph, with gusts as high as 22 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. Breezy, with a south wind 13 to 18 mph becoming southwest 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

    Low: 55 °F

    Mostly Clear
    and Breezy

  • Juneteenth

    Juneteenth: Sunny, with a high near 88. Southwest wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. East northeast wind 5 to 8 mph becoming south southwest after midnight. Winds could gust as high as 17 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 94. South southwest wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 86.

    High: 86 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Showers and thunderstorms likely after noon.  Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny
    then T-storms
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 86. South southeast wind around 14 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 55. Breezy, with a south wind 13 to 18 mph becoming southwest 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Juneteenth
Sunny, with a high near 88. Southwest wind 6 to 9 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 58. East northeast wind 5 to 8 mph becoming south southwest after midnight. Winds could gust as high as 17 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. South southwest wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
Mostly clear, with a low around 56.
Sunday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 52.
Monday
Showers and thunderstorms likely after noon. Mostly sunny, with a high near 80.
Monday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Rock CO
 39.38°N 104.87°W (Elev. 6201 ft)
12:46 am MDT Jun 18, 2026
10am 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