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Flash Flooding Continuing Along the Gulf Coast; Dry Thunderstorms in the West

Excessive rainfall continues to produce life-threatening, locally catastrophic flash flooding along the central Gulf Coast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts Oregon, California, and the Great Basin into the weekend. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Mostly Cloudy and Breezy

70°F

21°C

Humidity 32%
Wind Speed N 22 G 31 mph
Barometer 30.11 in (1018.1 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 19 Jun 11:52 am MDT
Extended Forecast for

Rapid Valley SD

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 75. North wind 10 to 16 mph, with gusts as high as 30 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 51. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 51 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Light south wind becoming southeast 13 to 18 mph in the morning. Winds could gust as high as 32 mph.

    High: 75 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 53. Southeast wind 6 to 16 mph becoming northeast after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%.

    Low: 53 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after noon. High near 65. Northeast wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.

    High: 65 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Northeast wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 75. North wind 10 to 16 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 3am. Partly cloudy, with a low around 51. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Light south wind becoming southeast 13 to 18 mph in the morning. Winds could gust as high as 32 mph.
Saturday Night
Showers and possibly a thunderstorm. Low around 53. Southeast wind 6 to 16 mph becoming northeast after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 100%.
Sunday
Showers, with thunderstorms also possible after noon. High near 65. Northeast wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Northeast wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 69. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rapid Valley SD
 44.08°N 103.15°W (Elev. 3271 ft)
Last Update:
11:37 am MDT Jun 19, 2026
Forecast Valid:
12pm MDT Jun 19, 2026-6pm MDT Jun 25, 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