Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. 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 64%
Wind Speed NE 12 mph
Barometer 29.98 in (1012.5 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 9 Aug 9:52 pm MDT
Extended Forecast for

Rapid City SD

  • Tonight

    Tonight: Areas of smoke before midnight. Mostly clear, with a low around 65. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Areas Smoke
    then Mostly
    Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 3pm.  Areas of smoke after 9am. Mostly sunny, with a high near 95. Light south wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 95 °F

    Areas Smoke
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Areas of smoke. Partly cloudy, with a low around 65. East wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 22 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Areas Smoke

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon.  Areas of smoke. Mostly sunny, with a high near 94. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 24 mph.

    High: 94 °F

    Areas Smoke
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 66. East wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 66 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after noon.  Mostly cloudy, with a high near 84. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 23 mph.  Chance of precipitation is 70%.

    High: 84 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely.  Cloudy, with a low around 58. Chance of precipitation is 70%.

    Low: 58 °F

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely.  Cloudy, with a high near 72.

    High: 72 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight.  Cloudy, with a low around 56.

    Low: 56 °F

    T-storms

Detailed Forecast

Tonight
Areas of smoke before midnight. Mostly clear, with a low around 65. Southeast wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 3pm. Areas of smoke after 9am. Mostly sunny, with a high near 95. Light south wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 9pm. Areas of smoke. Partly cloudy, with a low around 65. East wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 22 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Areas of smoke. Mostly sunny, with a high near 94. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 24 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. East wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Wednesday
Showers and thunderstorms likely, mainly after noon. Mostly cloudy, with a high near 84. Light and variable wind becoming east 6 to 11 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely. Cloudy, with a low around 58. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms likely. Cloudy, with a high near 72.
Thursday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Cloudy, with a low around 56.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 75.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 56.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 77.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 57.
Sunday
Showers and thunderstorms likely. Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
9:42 pm MDT Aug 9, 2026
10pm MDT Aug 9, 2026-6pm MDT Aug 16, 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