Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

95°F

35°C

Humidity 23%
Wind Speed NE 7 mph
Barometer 29.89 in (1008.4 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 26 Jul 6:52 pm MDT
Extended Forecast for

Rapid City SD

Heat Advisory July 26, 07:29pm until July 26, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 26, 07:29pm until July 26, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • Tonight

    Low: 75 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Areas of smoke after 9am. Partly sunny, with a high near 99. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 26 mph.

    High: 99 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Scattered showers and thunderstorms, mainly before midnight.  Areas of smoke before midnight. Mostly cloudy, with a low around 72. West wind 5 to 8 mph becoming east in the evening. Winds could gust as high as 25 mph.  Chance of precipitation is 50%.

    Low: 72 °F

    Scattered
    T-storms then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 97. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 71. Southeast wind 5 to 8 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Increasing clouds, with a high near 98. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 24 mph.

    High: 98 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight.  Partly cloudy, with a low around 69. Chance of precipitation is 70%.

    Low: 69 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. North wind 5 to 7 mph becoming calm after midnight. Winds could gust as high as 16 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Areas of smoke after 9am. Partly sunny, with a high near 99. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 26 mph.
Monday Night
Scattered showers and thunderstorms, mainly before midnight. Areas of smoke before midnight. Mostly cloudy, with a low around 72. West wind 5 to 8 mph becoming east in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 97. Calm wind becoming southeast 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 71. Southeast wind 5 to 8 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 98. Light and variable wind becoming southeast 6 to 11 mph in the morning. Winds could gust as high as 24 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Partly cloudy, with a low around 69. Chance of precipitation is 70%.
Thursday
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95.
Thursday Night
A slight chance of showers and thunderstorms before midnight. Mostly clear, with a low around 67.
Friday
A chance of showers and thunderstorms after noon. Sunny, with a high near 95.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Saturday
Sunny, with a high near 96.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Sunny and hot, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
5:41 pm MDT Jul 26, 2026
7pm MDT Jul 26, 2026-6pm MDT Aug 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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