Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Light Rain

78°F

26°C

Humidity 79%
Wind Speed NE 13 mph
Barometer 29.93 in (1010.7 mb)
Dewpoint 71°F (22°C)
Visibility 8.00 mi
Heat Index80°F (27°C)
Last update 11 Aug 3:52 pm MDT
Extended Forecast for

Rapid City SD

Severe T-storm Watch August 11, 04:37pm until August 11, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch August 11, 04:37pm until August 11, 08:00pm

    NOW until 8:00pm Tue

    Severe T-storm Watch

  • This Afternoon

    High: 90 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe.  Partly cloudy, with a low around 63. East wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 63 °F

    Severe
    Thunderstorms
    then Partly
    Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 85. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 24 mph.

    High: 85 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 3am, then showers likely.  Low around 59. Northeast wind 5 to 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 74. North wind 6 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm.  Low around 59. Southeast wind 9 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly cloudy, with a high near 83. Chance of precipitation is 50%.

    High: 83 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Some of the storms could be severe. Mostly sunny, with a high near 90. Northwest wind 5 to 8 mph becoming northeast. Winds could gust as high as 23 mph.
Tonight
A 40 percent chance of showers and thunderstorms before 9pm. Some of the storms could be severe. Partly cloudy, with a low around 63. East wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 85. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 24 mph.
Wednesday Night
Showers and possibly a thunderstorm before 3am, then showers likely. Low around 59. Northeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Thursday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 74. North wind 6 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm. Low around 59. Southeast wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 78.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Partly cloudy, with a low around 56.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.21°W (Elev. 3189 ft)
4:26 pm MDT Aug 11, 2026
4pm MDT Aug 11, 2026-6pm MDT Aug 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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