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

75°F

24°C

Humidity 36%
Wind Speed N 15 mph
Barometer 29.94 in (1011.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 8 Aug 6:52 pm MDT
Extended Forecast for

2 Miles SW Ellsworth Air Force Base SD

  • Tonight

    Tonight: Mostly clear, with a low around 56. Northwest wind 5 to 15 mph becoming southwest after midnight.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Northwest wind around 5 mph becoming southwest in the evening. Winds could gust as high as 15 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °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 90. West wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

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

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Northwest wind 5 to 15 mph becoming southwest after midnight.
Saturday
Sunny, with a high near 83. Southwest wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 57. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 81. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph becoming southwest in the evening. Winds could gust as high as 15 mph.
Monday
Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph becoming north in the afternoon. 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 90. West wind 5 to 10 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 90.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 95.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Ellsworth Air Force Base SD
 44.12°N 103.12°W (Elev. 3136 ft)
Last Update:
6:49 pm MDT Aug 8, 2025
Forecast Valid:
7pm MDT Aug 8, 2025-6pm MDT Aug 15, 2025
 
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