Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

82°F

28°C

Humidity 53%
Wind Speed E 5 mph
Barometer 30.01 in (1013.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 28 Jul 9:52 am MDT
Extended Forecast for

3 Miles SW Ellsworth Air Force Base SD

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm.  Patchy smoke between 11am and noon. Sunny, with a high near 95. Northeast wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.

    High: 95 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly clear, with a low around 67. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 67 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 97. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before midnight.  Mostly cloudy, with a low around 66. South wind 5 to 14 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    Low: 66 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 94. Southwest wind 5 to 13 mph becoming north in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 50%.

    High: 94 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 64. Northeast wind 5 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Patchy smoke between 11am and noon. Sunny, with a high near 95. Northeast wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 21 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 67. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 97. South wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 66. South wind 5 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. Southwest wind 5 to 13 mph becoming north in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 64. Northeast wind 5 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph.
Friday
Sunny, with a high near 95.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny and hot, with a high near 104. Breezy.
Sunday Night
Mostly clear, with a low around 71. Breezy.
Monday
Sunny, with a high near 93. Windy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Ellsworth Air Force Base SD
 44.12°N 103.15°W (Elev. 3146 ft)
10:27 am MDT Jul 28, 2026
10am MDT Jul 28, 2026-6pm MDT Aug 3, 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