Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. 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 62%
Wind Speed Calm
Barometer 29.87 in (1008.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Sep 9:52 pm MDT
Extended Forecast for

5 Miles N Owanka SD

  • Tonight

    Tonight: Mostly clear, with a low around 66. Southeast wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms between 2pm and 4pm.  Mostly sunny, with a high near 97. Southwest wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67. East wind around 9 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 95. Southeast wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. South wind 13 to 15 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Chance
    T-storms

  • Labor Day

    Labor Day: Partly sunny, with a high near 94. South wind 16 to 18 mph becoming west in the afternoon. Winds could gust as high as 32 mph.

    High: 94 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 66. Southeast wind 6 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Saturday
A slight chance of showers and thunderstorms between 2pm and 4pm. Mostly sunny, with a high near 97. Southwest wind 6 to 9 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 67. East wind around 9 mph becoming south after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 95. Southeast wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind 13 to 15 mph, with gusts as high as 23 mph.
Labor Day
Partly sunny, with a high near 94. South wind 16 to 18 mph becoming west in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Owanka SD
 44.1°N 102.58°W (Elev. 2927 ft)
8:06 pm MDT Sep 4, 2026
9pm MDT Sep 4, 2026-6pm MDT Sep 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database