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

Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

59°F

15°C

Humidity 64%
Wind Speed N 10 mph
Barometer 30.17 in (1019.4 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 25 Aug 5:52 am MDT
Extended Forecast for

2 Miles E Rapid City SD

  • Today

    Today: A slight chance of showers and thunderstorms between 8am and 10am. Mostly sunny, with a high near 86. North wind 5 to 7 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. North wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 22 mph.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. East wind around 6 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Light and variable wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 25 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Southeast wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 25 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.

    High: 92 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 8am and 10am. Mostly sunny, with a high near 86. North wind 5 to 7 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 59. North wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 84. Calm wind becoming east 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Mostly clear, with a low around 58. East wind around 6 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Thursday
Sunny, with a high near 88. Light and variable wind becoming southeast 8 to 13 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 64. Southeast wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 25 mph.
Friday
Mostly sunny, with a high near 95.
Friday Night
Mostly cloudy, with a low around 66.
Saturday
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Rapid City SD
 44.08°N 103.21°W (Elev. 3189 ft)
Last Update:
3:21 am MDT Aug 25, 2026
Forecast Valid:
6am MDT Aug 25, 2026-6pm MDT Aug 31, 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