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

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

60°F

16°C

Humidity 60%
Wind Speed N 15 mph
Barometer 30.03 in (1015.4 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Jun 9:52 pm MDT
Extended Forecast for

3 Miles SW Colonial Pine Hills SD

  • Tonight

    Tonight: Partly cloudy, with a low around 51. Northwest wind 3 to 6 mph. Winds could gust as high as 15 mph.

    Low: 51 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 72. Northwest wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 24 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 50. Northeast wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 50 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 71. Light south wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 28 mph.  Chance of precipitation is 60%.

    High: 71 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 53. Southeast wind 5 to 10 mph becoming light east. Winds could gust as high as 25 mph.  Chance of precipitation is 80%.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  High near 63. Light northeast wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and possibly a thunderstorm after noon.  Partly sunny, with a high near 66.

    High: 66 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 51. Northwest wind 3 to 6 mph. Winds could gust as high as 15 mph.
Juneteenth
Mostly sunny, with a high near 72. Northwest wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 24 mph.
Friday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 50. Northeast wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. Light south wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Saturday Night
Showers and possibly a thunderstorm. Low around 53. Southeast wind 5 to 10 mph becoming light east. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 63. Light northeast wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Monday
A chance of showers, then showers and possibly a thunderstorm after noon. Partly sunny, with a high near 66.
Monday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Colonial Pine Hills SD
 43.96°N 103.35°W (Elev. 4390 ft)
9:09 pm MDT Jun 18, 2026
10pm 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