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

62°F

17°C

Humidity 96%
Wind Speed NW 6 mph
Barometer 30.02 in (1014.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 13 Aug 5:52 am MDT
Extended Forecast for

5 Miles NW Colonial Pine Hills SD

  • Today

    Today: Scattered showers, with thunderstorms also possible after noon.  Areas of fog.  Otherwise, cloudy, with a high near 67. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 50%.

    High: 67 °F

    Scattered
    Showers and
    Areas Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Patchy fog.  Otherwise, cloudy, with a low around 58. Southeast wind 3 to 7 mph. Winds could gust as high as 21 mph.  Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Patchy fog before 9am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Light and variable wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    High: 80 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 57. Northeast wind around 6 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 57 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after noon.  Mostly cloudy, with a high near 75. Calm wind becoming north 5 to 7 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    High: 75 °F

    Chance
    Showers then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 54. North wind around 5 mph becoming calm  in the evening. Winds could gust as high as 15 mph.  Chance of precipitation is 50%.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly sunny, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after noon. Areas of fog. Otherwise, cloudy, with a high near 67. Calm wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 58. Southeast wind 3 to 7 mph. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Light and variable wind becoming southeast 5 to 7 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Northeast wind around 6 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 75. Calm wind becoming north 5 to 7 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 54. North wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly sunny, with a high near 78. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.
Monday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83.
Monday Night
A chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 57.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Colonial Pine Hills SD
 44.05°N 103.39°W (Elev. 4199 ft)
6:21 am MDT Aug 13, 2026
6am MDT Aug 13, 2026-6pm MDT Aug 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database