Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

30°F

-1°C

Humidity 66%
Wind Speed Calm
Barometer 30.12 in (1022.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Last update 19 Apr 12:52 am MDT
Extended Forecast for

2 Miles ESE New Underwood SD

  • Overnight

    Overnight: Partly cloudy, with a low around 26. West wind around 6 mph.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Light and variable wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 24 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 31. South wind 9 to 16 mph, with gusts as high as 24 mph.

    Low: 31 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. South wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. North wind 9 to 14 mph becoming light and variable  in the evening. Winds could gust as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87. Light and variable wind becoming south 11 to 16 mph in the morning. Winds could gust as high as 28 mph.

    High: 87 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. South wind 7 to 14 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after noon.  Partly sunny, with a high near 87. Breezy, with a south wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 87 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before midnight.  Mostly cloudy, with a low around 46. Breezy.

    Low: 46 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 26. West wind around 6 mph.
Sunday
Sunny, with a high near 61. Light and variable wind becoming southeast 11 to 16 mph in the morning. Winds could gust as high as 24 mph.
Sunday Night
Mostly clear, with a low around 31. South wind 9 to 16 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 80. South wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Mostly clear, with a low around 41. North wind 9 to 14 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Tuesday
Sunny, with a high near 87. Light and variable wind becoming south 11 to 16 mph in the morning. Winds could gust as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 50. South wind 7 to 14 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of showers and thunderstorms after noon. Partly sunny, with a high near 87. Breezy, with a south wind 10 to 15 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 46. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 61. Very windy.
Thursday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30. Very windy.
Friday
A slight chance of rain and snow showers. Mostly sunny, with a high near 53. Windy.
Friday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 28. Blustery.
Saturday
A slight 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)
12:31 am MDT Apr 19, 2026
1am MDT Apr 19, 2026-6pm MDT Apr 25, 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