Showers and Thunderstorms from the Southern Plains into the Ohio Valley; Record Warmth in the Central U.S.

Heavy rain and widely scattered severe storms are expected over portions of the central and southern Plains into the Ohio Valley. Unseasonable warmth will continue for a few more days across the Midwest, Southeast, and Mid-Atlantic where several daily record highs could fall. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair and Windy

48°F

9°C

Humidity 66%
Wind Speed NW 28 G 39 mph
Barometer 30.26 in (1025.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 15 Oct 7:52 am MDT
Extended Forecast for

Hermosa SD

Freeze Warning October 15, 09:00pm until October 16, 09:00am
Click here for hazard details and duration
Freeze Warning
  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 53. Breezy, with a northwest wind 18 to 25 mph, with gusts as high as 46 mph.

    High: 53 °F

    Decreasing
    Clouds and
    Breezy

  • Tonight

    Tonight: Widespread frost after 3am.  Otherwise, mostly clear, with a low around 28. Blustery, with a northwest wind 20 to 25 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 45 mph.

    Low: 28 °F

    Mostly Clear
    and Blustery
    then Frost
    and Blustery

  • Friday

    Friday: Widespread frost before 9am.  Otherwise, sunny, with a high near 55. Light and variable wind becoming south 11 to 16 mph in the morning. Winds could gust as high as 30 mph.

    High: 55 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 41. Southwest wind 7 to 16 mph, with gusts as high as 31 mph.

    Low: 41 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Southwest wind around 7 mph, with gusts as high as 17 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48. Southwest wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 68. Breezy.

    High: 68 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 53. Breezy, with a northwest wind 18 to 25 mph, with gusts as high as 46 mph.
Tonight
Widespread frost after 3am. Otherwise, mostly clear, with a low around 28. Blustery, with a northwest wind 20 to 25 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 45 mph.
Friday
Widespread frost before 9am. Otherwise, sunny, with a high near 55. Light and variable wind becoming south 11 to 16 mph in the morning. Winds could gust as high as 30 mph.
Friday Night
Clear, with a low around 41. Southwest wind 7 to 16 mph, with gusts as high as 31 mph.
Saturday
Sunny, with a high near 78. Southwest wind around 7 mph, with gusts as high as 17 mph.
Saturday Night
Mostly clear, with a low around 48. Southwest wind 6 to 9 mph becoming northwest after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 68. Breezy.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 68.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Hermosa SD
 43.84°N 103.19°W (Elev. 3383 ft)
6:21 am MDT Oct 15, 2026
8am MDT Oct 15, 2026-6pm MDT Oct 21, 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