National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

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 18 mph
Barometer 30.02 in (1013.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 24 Aug 9:52 am MDT
Extended Forecast for

2 Miles SW Colonial Pine Hills SD

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a steady temperature around 85. North wind 6 to 8 mph, with gusts as high as 22 mph.

    High: 85 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 61. North wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. West wind around 5 mph becoming light and variable. Winds could gust as high as 18 mph.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. West wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. East wind around 5 mph becoming light and variable in the evening.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a steady temperature around 85. North wind 6 to 8 mph, with gusts as high as 22 mph.
Tonight
A 20 percent chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 61. North wind 5 to 7 mph becoming west after midnight. Winds could gust as high as 22 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. West wind around 5 mph becoming light and variable. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 57. West wind around 6 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Wednesday
Sunny, with a high near 81. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 58. East wind around 5 mph becoming light and variable in the evening.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 89.
Friday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Colonial Pine Hills SD
 43.98°N 103.35°W (Elev. 3999 ft)
Last Update:
8:16 am MDT Aug 24, 2026
Forecast Valid:
10am MDT Aug 24, 2026-6pm MDT Aug 30, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation