Showers and Thunderstorms from the Southern Plains into the Mid-Mississippi Valley; Record Warmth in the Plains and Midwest

Heavy rain and widely scattered severe storms capable of large hail, damaging winds, and possibly a tornado are expected over portions of the central and southern Plains into the Lower Missouri Valley. Unseasonable warmth will continue for a few more days across the Midwest and Southeast 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.

Overcast

46°F

8°C

Humidity 89%
Wind Speed N 3 mph
Barometer 30.17 in (1022.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 14 Oct 1:52 am MDT
Extended Forecast for

New Underwood SD

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 46. Light west wind.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after 3pm.  Mostly cloudy, with a high near 57. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Cloudy, with a low around 41. Calm wind becoming north 5 to 9 mph after midnight. Winds could gust as high as 20 mph.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain before noon.  Cloudy through mid morning, then gradual clearing, with a high near 60. Windy, with a northwest wind 13 to 23 mph increasing to 27 to 37 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 60 °F

    Windy. Slight
    Chance Rain
    then Sunny

  • Thursday Night

    Thursday Night: Widespread frost after 4am.  Otherwise, clear, with a low around 31. Windy, with a northwest wind 22 to 32 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 44 mph.

    Low: 31 °F

    Clear and
    Windy then
    Frost and
    Blustery

  • Friday

    Friday: Widespread frost before 8am.  Otherwise, sunny, with a high near 61. Light and variable wind becoming south 13 to 18 mph in the morning. Winds could gust as high as 33 mph.

    High: 61 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 38. Breezy.

    Low: 38 °F

    Clear and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 46. Light west wind.
Wednesday
A 30 percent chance of rain, mainly after 3pm. Mostly cloudy, with a high near 57. Calm wind becoming southeast 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
A 50 percent chance of rain. Cloudy, with a low around 41. Calm wind becoming north 5 to 9 mph after midnight. Winds could gust as high as 20 mph.
Thursday
A 20 percent chance of rain before noon. Cloudy through mid morning, then gradual clearing, with a high near 60. Windy, with a northwest wind 13 to 23 mph increasing to 27 to 37 mph in the afternoon. Winds could gust as high as 50 mph.
Thursday Night
Widespread frost after 4am. Otherwise, clear, with a low around 31. Windy, with a northwest wind 22 to 32 mph decreasing to 8 to 18 mph after midnight. Winds could gust as high as 44 mph.
Friday
Widespread frost before 8am. Otherwise, sunny, with a high near 61. Light and variable wind becoming south 13 to 18 mph in the morning. Winds could gust as high as 33 mph.
Friday Night
Clear, with a low around 38. Breezy.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 72. Breezy.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
New Underwood SD
 44.09°N 102.82°W (Elev. 2894 ft)
2:21 am MDT Oct 14, 2026
2am MDT Oct 14, 2026-6pm MDT Oct 20, 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