Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

84°F

29°C

Humidity 40%
Wind Speed N 12 mph
Barometer 29.99 in (1012.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Jul 4:52 pm MDT
Extended Forecast for

2 Miles NNW Rapid City SD

  • Tonight

    Tonight: Isolated showers and thunderstorms after 3am.  Mostly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 20%.

    Low: 62 °F

    Mostly Cloudy
    then Isolated
    T-storms

  • Saturday

    Saturday: Scattered showers and thunderstorms.  Partly sunny, with a high near 84. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 40%.

    High: 84 °F

    Scattered
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 62. South wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 91. South wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. Northeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 65. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 87. North wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Isolated showers and thunderstorms after 3am. Mostly cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Scattered showers and thunderstorms. Partly sunny, with a high near 84. Southeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. South wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 91. South wind 5 to 10 mph becoming north in the morning. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 66. Northeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 91. West wind 5 to 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. East wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Tuesday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. North wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Rapid City SD
 44.1°N 103.24°W (Elev. 3353 ft)
4:30 pm MDT Jul 18, 2025
5pm MDT Jul 18, 2025-6pm MDT Jul 25, 2025
 
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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