Isolated Severe Storms in the Midwest; Fire Weather Concerns in the Northern Plains; Record Heat in the West

Isolated severe storms are possible across parts of the Florida Peninsula and the Great Lakes to Lower Missouri Valley and south-central Plains late this afternoon and early evening. Elevated to critical fire weather concerns continue over much of the northern Great Plains. Above average temperatures persist across portions of the West today. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair and Breezy

68°F

20°C

Humidity 24%
Wind Speed NW 22 G 33 mph
Barometer 30.23 in (1022.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 12 May 10:52 am MDT
Extended Forecast for

Hermosa SD

  • Today

    Today: Sunny, with a high near 76. Breezy, with a north wind 16 to 20 mph, with gusts as high as 30 mph.

    High: 76 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 46. Northeast wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 23 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between midnight and 3am.  Mostly cloudy, with a low around 59. South wind 11 to 16 mph becoming northwest after midnight. Winds could gust as high as 31 mph.  Chance of precipitation is 20%.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Northwest wind 13 to 18 mph, with gusts as high as 31 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. West wind 12 to 17 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 29 mph.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Breezy, with a north wind 16 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 46. Northeast wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 23 mph.
Wednesday
Sunny, with a high near 90. South wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 31 mph.
Wednesday Night
A slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 59. South wind 11 to 16 mph becoming northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 83. Northwest wind 13 to 18 mph, with gusts as high as 31 mph.
Thursday Night
Mostly clear, with a low around 47. West wind 12 to 17 mph decreasing to 6 to 11 mph in the evening. Winds could gust as high as 29 mph.
Friday
Sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 48.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 66. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 40. Breezy.
Monday
A chance of showers. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Hermosa SD
 43.84°N 103.19°W (Elev. 3383 ft)
10:27 am MDT May 12, 2026
11am MDT May 12, 2026-6pm MDT May 18, 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