National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

73°F

23°C

Humidity 28%
Wind Speed E 10 mph
Barometer 30.18 in (1020.7 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 15 Sep 2:52 pm MDT
Extended Forecast for

4 Miles SSW Colonial Pine Hills SD

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 53. South wind 6 to 13 mph, with gusts as high as 29 mph.

    Low: 53 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. South wind 7 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 26 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 53. Northwest wind 6 to 8 mph, with gusts as high as 23 mph.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 65. North wind 5 to 7 mph becoming east in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Cloudy, with a low around 55. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after noon. Partly sunny, with a high near 74. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 71.

    High: 71 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    T-storms then
    Slight Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 53. South wind 6 to 13 mph, with gusts as high as 29 mph.
Wednesday
Mostly sunny, with a high near 82. South wind 7 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 53. Northwest wind 6 to 8 mph, with gusts as high as 23 mph.
Thursday
A chance of showers, with thunderstorms also possible after noon. Cloudy, with a high near 65. North wind 5 to 7 mph becoming east in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Cloudy, with a low around 55. East wind around 6 mph becoming calm in the evening. Winds could gust as high as 16 mph. Chance of precipitation is 50%.
Friday
A 20 percent chance of showers after noon. Partly sunny, with a high near 74. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 71.
Saturday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 51.
Sunday
A chance of showers. Mostly sunny, with a high near 69.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Monday
A chance of showers. Sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Colonial Pine Hills SD
 43.96°N 103.35°W (Elev. 4390 ft)
Last Update:
1:36 pm MDT Sep 15, 2026
Forecast Valid:
3pm MDT Sep 15, 2026-6pm MDT Sep 22, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation