Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, 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

65°F

18°C

Humidity 66%
Wind Speed SE 9 mph
Barometer 30.29 in (1024.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 17 Sep 9:52 am MDT
Extended Forecast for

6 Miles ESE Caputa SD

  • Today

    Today: A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 77. East wind 7 to 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%.

    High: 77 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 55. East wind 6 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: Mostly cloudy, with a high near 76. North wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 76 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers after midnight.  Mostly cloudy, with a low around 52. Northeast wind 5 to 10 mph becoming light east  in the evening. Winds could gust as high as 18 mph.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers.  Mostly cloudy, with a high near 71. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight, then showers and possibly a thunderstorm after midnight.  Low around 50. East wind 7 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after noon.  High near 65. Chance of precipitation is 90%.

    High: 65 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 48.

    Low: 48 °F

    Showers

  • Monday

    Monday: A chance of showers.  Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 77. East wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Tonight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 55. East wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%.
Friday
Mostly cloudy, with a high near 76. North wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 52. Northeast wind 5 to 10 mph becoming light east in the evening. Winds could gust as high as 18 mph.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 71. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Saturday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 50. East wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Sunday
Showers, with thunderstorms also possible after noon. High near 65. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 48.
Monday
A chance of showers. Mostly cloudy, with a high near 70.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Caputa SD
 43.96°N 102.87°W (Elev. 2799 ft)
9:47 am MDT Sep 17, 2026
10am MDT Sep 17, 2026-6pm MDT Sep 23, 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