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

Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

76°F

24°C

Humidity 58%
Wind Speed NA
Barometer 30.00 in (1012.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 9 Aug 10:52 am MDT
Extended Forecast for

Hermosa SD

  • Today

    Today: Areas of smoke. Mostly sunny, with a high near 90. East wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 90 °F

    Areas Smoke

  • Tonight

    Tonight: Areas of smoke before midnight. Partly cloudy, with a low around 61. East wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.

    Low: 61 °F

    Areas Smoke
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 94. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 23 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly clear, with a low around 62. Northeast wind 5 to 11 mph becoming north in the evening. Winds could gust as high as 23 mph.

    Low: 62 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 91. Light and variable wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 24 mph.

    High: 91 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 61. East wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm.  Mostly cloudy, with a low around 57.

    Low: 57 °F

    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after noon.  Cloudy, with a high near 71.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

Today
Areas of smoke. Mostly sunny, with a high near 90. East wind 10 to 14 mph, with gusts as high as 24 mph.
Tonight
Areas of smoke before midnight. Partly cloudy, with a low around 61. East wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Monday
Sunny, with a high near 94. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 23 mph.
Monday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 62. Northeast wind 5 to 11 mph becoming north in the evening. Winds could gust as high as 23 mph.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 91. Light and variable wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 24 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. East wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 57.
Thursday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 71.
Thursday Night
Showers and possibly a thunderstorm. Cloudy, with a low around 54.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 72.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 54.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Hermosa SD
 43.84°N 103.19°W (Elev. 3383 ft)
10:02 am MDT Aug 9, 2026
11am MDT Aug 9, 2026-6pm MDT Aug 15, 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