Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Overcast

65°F

18°C

Humidity 93%
Wind Speed N 17 mph
Barometer 29.96 in (1012.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 Aug 8:52 pm MDT
Extended Forecast for

7 Miles NW Colonial Pine Hills SD

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph.  Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 70. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 53. Southeast wind around 6 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 90%.

    Low: 53 °F

    Showers

  • Friday

    Friday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    High: 78 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 52. Northeast wind around 5 mph becoming calm  in the evening. Winds could gust as high as 17 mph.  Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon.  High near 72. Calm wind becoming north around 5 mph. Winds could gust as high as 16 mph.  Chance of precipitation is 90%.

    High: 72 °F

    Chance
    Showers then
    T-storms

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after noon.  Mostly sunny, with a high near 74.

    High: 74 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Partly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Light and variable wind. Winds could gust as high as 15 mph. Chance of precipitation is 40%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 70. Calm wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm. Low around 53. Southeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Friday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Cloudy, then gradually becoming mostly sunny, with a high near 78. Calm wind becoming east around 6 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Northeast wind around 5 mph becoming calm in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 50%.
Saturday
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers and possibly a thunderstorm after noon. High near 72. Calm wind becoming north around 5 mph. Winds could gust as high as 16 mph. Chance of precipitation is 90%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Sunday
A chance of showers, then showers and possibly a thunderstorm after noon. Mostly sunny, with a high near 74.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 50.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Tuesday
A 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 53.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NW Colonial Pine Hills SD
 44.07°N 103.45°W (Elev. 4790 ft)
8:16 pm MDT Aug 12, 2026
9pm MDT Aug 12, 2026-6pm MDT Aug 19, 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