Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Mostly Cloudy

38°F

3°C

Humidity 51%
Wind Speed E 7 mph
Barometer 30.04 in (1019.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 9 Apr 9:52 am MDT
Extended Forecast for

2 Miles ESE New Underwood SD

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 53. Northeast wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northeast wind 8 to 13 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 62. Breezy, with a south wind 6 to 16 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 62 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Breezy, with a southeast wind 22 to 26 mph, with gusts as high as 38 mph.

    Low: 44 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Breezy, with a south wind 17 to 23 mph, with gusts as high as 34 mph.

    High: 84 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    Low: 50 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after noon.  Sunny, with a high near 79. West wind 13 to 17 mph, with gusts as high as 30 mph.

    High: 79 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. Northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 23 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers after noon.  Partly sunny, with a high near 73. Breezy.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 53. Northeast wind 11 to 14 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 27. Northeast wind 8 to 13 mph becoming light and variable. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 62. Breezy, with a south wind 6 to 16 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 39 mph.
Friday Night
Mostly cloudy, with a low around 44. Breezy, with a southeast wind 22 to 26 mph, with gusts as high as 38 mph.
Saturday
Mostly sunny, with a high near 84. Breezy, with a south wind 17 to 23 mph, with gusts as high as 34 mph.
Saturday Night
A 20 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Sunday
A 20 percent chance of showers after noon. Sunny, with a high near 79. West wind 13 to 17 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 45. Northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 23 mph.
Monday
A chance of showers after noon. Partly sunny, with a high near 73. Breezy.
Monday Night
A chance of showers. Mostly cloudy, with a low around 40. Breezy.
Tuesday
Showers likely. Partly sunny, with a high near 58.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 36.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE New Underwood SD
 44.09°N 102.79°W (Elev. 2894 ft)
9:22 am MDT Apr 9, 2026
10am MDT Apr 9, 2026-6pm MDT Apr 15, 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