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

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Hazardous Weather Conditions

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Fair

76°F

24°C

Humidity 36%
Wind Speed N 18 G 29 mph
Barometer 29.94 in (1011.3 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 8 Aug 5:52 pm MDT
Extended Forecast for

Caputa SD

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 55. North wind 5 to 15 mph becoming west after midnight.

    Low: 55 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 82. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. North wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. West wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 55. North wind 5 to 15 mph becoming west after midnight.
Saturday
Sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 58. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 82. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 59. Northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Monday
Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 60. North wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 91. West wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 96.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Caputa SD
 44°N 102.99°W (Elev. 2953 ft)
Last Update:
4:30 pm MDT Aug 8, 2025
Forecast Valid:
6pm MDT Aug 8, 2025-6pm MDT Aug 15, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation