National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Fair

49°F

9°C

Humidity 36%
Wind Speed NE 7 mph
Barometer 30.16 in (1023.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 9 Apr 4:52 pm MDT
Extended Forecast for

Owanka SD

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northeast wind 8 to 13 mph becoming light and variable after midnight. 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 5 to 15 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 62 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45. Breezy, with a southeast wind 21 to 26 mph, with gusts as high as 37 mph.

    Low: 45 °F

    Mostly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Breezy, with a south wind 18 to 24 mph, with gusts as high as 34 mph.

    High: 85 °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 17 mph, with gusts as high as 24 mph.

    Low: 50 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. West wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 81 °F

    Sunny

  • 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 22 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers after noon. Mostly sunny, with a high near 75. Breezy, with a south wind 7 to 12 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Northeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 62. Breezy, with a south wind 5 to 15 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 37 mph.
Friday Night
Mostly cloudy, with a low around 45. Breezy, with a southeast wind 21 to 26 mph, with gusts as high as 37 mph.
Saturday
Mostly sunny, with a high near 85. Breezy, with a south wind 18 to 24 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 17 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 81. West wind 13 to 18 mph, with gusts as high as 29 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 22 mph.
Monday
A chance of showers after noon. Mostly sunny, with a high near 75. Breezy, with a south wind 7 to 12 mph becoming northwest 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
A chance of showers and thunderstorms. 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 70.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 39.
Thursday
A slight chance of showers. Mostly sunny, with a high near 66. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Owanka SD
 44.02°N 102.57°W (Elev. 2598 ft)
Last Update:
3:03 pm MDT Apr 9, 2026
Forecast Valid:
5pm MDT Apr 9, 2026-6pm MDT Apr 16, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation