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Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

90°F

32°C

Humidity 32%
Wind Speed S 14 mph
Barometer 30.08 in (1014.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 15 Jul 10:52 am MDT
Extended Forecast for

Rapid Valley SD

Heat Advisory July 15, 11:20am until July 16, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 11:20am until July 16, 09:00pm

    NOW until 9:00pm Thu

    Heat Advisory

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 70. South wind 7 to 13 mph, with gusts as high as 18 mph.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 101. Calm wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny and hot, with a high near 101. Northwest wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 18 mph.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. East wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 17 mph.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Today
Sunny and hot, with a high near 100. South wind 11 to 15 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 70. South wind 7 to 13 mph, with gusts as high as 18 mph.
Thursday
Sunny and hot, with a high near 101. Calm wind becoming north 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 69. Northwest wind 5 to 9 mph, with gusts as high as 21 mph.
Friday
Mostly sunny and hot, with a high near 101. Northwest wind 6 to 8 mph becoming east in the afternoon. Winds could gust as high as 18 mph.
Friday Night
Partly cloudy, with a low around 69. East wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 17 mph.
Saturday
Sunny and hot, with a high near 102.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 71.
Sunday
A chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 100.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 93.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rapid Valley SD
 44.06°N 103.15°W (Elev. 3107 ft)
Last Update:
11:02 am MDT Jul 15, 2026
Forecast Valid:
11am MDT Jul 15, 2026-6pm MDT Jul 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation