Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

27°F

-3°C

Humidity 63%
Wind Speed NW 7 mph
Barometer 30.06 in (1020.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 17 Apr 11:52 pm MDT
Extended Forecast for

2 Miles ESE New Underwood SD

  • Overnight

    Overnight: Partly cloudy, with a low around 22. Wind chill values as low as 15. Northwest wind 7 to 9 mph.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers between noon and 1pm, then a slight chance of rain showers after 1pm.  Mostly sunny, with a high near 55. Wind chill values as low as 14 early. Windy, with a northwest wind 8 to 18 mph increasing to 21 to 31 mph in the afternoon. Winds could gust as high as 43 mph.  Chance of precipitation is 20%.

    High: 55 °F

    Mostly Sunny
    and Breezy
    then Isolated
    Rain/Snow and
    Windy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26. Blustery, with a northwest wind 20 to 25 mph becoming light west  after midnight. Winds could gust as high as 34 mph.

    Low: 26 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Light and variable wind becoming east 11 to 16 mph in the morning. Winds could gust as high as 24 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. East wind 9 to 16 mph becoming south after midnight. Winds could gust as high as 24 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. South wind 9 to 16 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. North wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light south wind becoming southeast 13 to 18 mph in the morning. Winds could gust as high as 30 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 22. Wind chill values as low as 15. Northwest wind 7 to 9 mph.
Saturday
A slight chance of snow showers between noon and 1pm, then a slight chance of rain showers after 1pm. Mostly sunny, with a high near 55. Wind chill values as low as 14 early. Windy, with a northwest wind 8 to 18 mph increasing to 21 to 31 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 26. Blustery, with a northwest wind 20 to 25 mph becoming light west after midnight. Winds could gust as high as 34 mph.
Sunday
Sunny, with a high near 65. Light and variable wind becoming east 11 to 16 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 36. East wind 9 to 16 mph becoming south after midnight. Winds could gust as high as 24 mph.
Monday
Sunny, with a high near 82. South wind 9 to 16 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Mostly clear, with a low around 43. North wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 87. Light south wind becoming southeast 13 to 18 mph in the morning. Winds could gust as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A slight chance of showers after noon. Mostly sunny, with a high near 88. Breezy.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48.
Thursday
A chance of showers. Partly sunny, with a high near 67. Windy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. Windy.
Friday
A chance of rain and snow showers. Mostly sunny, with a high near 53. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE New Underwood SD
 44.09°N 102.79°W (Elev. 2894 ft)
10:02 pm MDT Apr 17, 2026
12am MDT Apr 18, 2026-6pm MDT Apr 24, 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