Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fog/Mist

68°F

20°C

Humidity 96%
Wind Speed SE 12 mph
Barometer 30.01 in (1014.3 mb)
Dewpoint 67°F (19°C)
Visibility 3.00 mi
Last update 14 Aug 8:52 am MDT
Extended Forecast for

Wasta SD

  • Today

    Today: A 20 percent chance of showers before noon.  Cloudy, then gradually becoming mostly sunny, with a high near 84. Southeast wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 84 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 63. Southeast wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 80. North wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms.  Partly cloudy, with a low around 57. North wind 5 to 9 mph becoming calm  in the evening. Winds could gust as high as 20 mph.  Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 82. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 30%.

    High: 82 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 59. Southeast wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 18 mph.

    Low: 59 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon.  Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers before noon. Cloudy, then gradually becoming mostly sunny, with a high near 84. Southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Tonight
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 63. Southeast wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 80. North wind 10 to 15 mph, with gusts as high as 23 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 57. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Calm wind becoming southeast 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Sunday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 59. Southeast wind 5 to 9 mph becoming south after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 89.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Tuesday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 85.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Wasta SD
 44.06°N 102.46°W (Elev. 2398 ft)
8:41 am MDT Aug 14, 2026
9am MDT Aug 14, 2026-6pm MDT Aug 20, 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