Showers and Storms in the East; Dangerously Hot and Dry in the West

A frontal boundary will bring scattered showers and storms to portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Intermountain West and expand into the Central U.S. by early next week. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Smoke

84°F

29°C

Humidity 23%
Wind Speed NE 10 mph
Barometer 29.96 in (1012.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 5 Aug 6:52 pm MDT
Extended Forecast for

Hermosa SD

  • Tonight

    Tonight: Areas of smoke. Mostly clear, with a low around 59. North wind 5 to 7 mph becoming south after midnight. Winds could gust as high as 18 mph.

    Low: 59 °F

    Areas Smoke

  • Thursday

    Thursday: Areas of smoke. Sunny, with a high near 96. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 22 mph.

    High: 96 °F

    Areas Smoke

  • Thursday Night

    Thursday Night: Areas of smoke. Mostly clear, with a low around 61. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 61 °F

    Areas Smoke

  • Friday

    Friday: Areas of smoke before noon. Sunny, with a high near 91. Northwest wind 7 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 26 mph.

    High: 91 °F

    Areas Smoke
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Southeast wind 9 to 14 mph becoming light and variable. Winds could gust as high as 26 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 95. West wind 5 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.

    High: 95 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Areas of smoke. Mostly clear, with a low around 59. North wind 5 to 7 mph becoming south after midnight. Winds could gust as high as 18 mph.
Thursday
Areas of smoke. Sunny, with a high near 96. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Areas of smoke. Mostly clear, with a low around 61. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Friday
Areas of smoke before noon. Sunny, with a high near 91. Northwest wind 7 to 14 mph becoming southeast in the afternoon. Winds could gust as high as 26 mph.
Friday Night
Mostly clear, with a low around 62. Southeast wind 9 to 14 mph becoming light and variable. Winds could gust as high as 26 mph.
Saturday
Sunny, with a high near 95. West wind 5 to 11 mph becoming northeast in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Mostly sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 62.
Monday
Mostly sunny, with a high near 87.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Hermosa SD
 43.84°N 103.19°W (Elev. 3383 ft)
6:21 pm MDT Aug 5, 2026
7pm MDT Aug 5, 2026-6pm MDT Aug 12, 2026
 
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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