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Heavy Rains and Associated Flooding Across the Plains This Weekend

A slow-moving weather system with abundant moisture will bring heavy rainfall across portions of the Central and Southern Plains Saturday. Soils in the region are already saturated from recent rainfall, so flash flooding and river flooding is likely. Meanwhile, below normal temperatures settle over the northeast, with freeze warnings across much of New England into Saturday.
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Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

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

Overcast

8°C

47°F

Humidity 90%
Wind Speed SE 7 km/h
Barometer 30.05 in (1017.7 mb)
Dewpoint 7°C (44°F)
Visibility 16 km
Wind Chill7°C (45°F)
Last update 23 May 1:52 am MDT
Extended Forecast for

Rapid City SD

  • Overnight

    Cloudy

    Cloudy

    Low: 7 °C

  • Saturday

    Chance Rain Chance for Measurable Precipitation 40%

    Chance
    Rain

    High: 14 °C

  • Saturday
    Night

    Showers Chance for Measurable Precipitation 90%

    Showers

    Low: 8 °C

  • Sunday

    Showers Chance for Measurable Precipitation 80%

    Showers

    High: 14 °C

  • Sunday
    Night

    Chance Showers Chance for Measurable Precipitation 50%

    Chance
    Showers

    Low: 8 °C

  • Memorial
    Day

    Chance Showers Chance for Measurable Precipitation 40%

    Chance
    Showers

    High: 17 °C

  • Monday
    Night

    Slight Chance Showers Chance for Measurable Precipitation 20%

    Slight Chc
    Showers

    Low: 8 °C

  • Tuesday

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 20 °C

  • Tuesday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 9 °C

Detailed Forecast

Overnight
Cloudy, with a low around 7. Southeast wind around 11 km/h.
Saturday
A slight chance of rain between 9am and noon, then a chance of rain and thunderstorms after noon. Cloudy, with a high near 14. Southeast wind 10 to 18 km/h, with gusts as high as 26 km/h. Chance of precipitation is 40%.
Saturday Night
Showers and possibly a thunderstorm. Low around 8. East wind 16 to 23 km/h becoming north after midnight. Winds could gust as high as 32 km/h. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 14. North wind 18 to 23 km/h decreasing to 11 to 16 km/h in the afternoon. Winds could gust as high as 32 km/h. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 8. Northwest wind 13 to 23 km/h, with gusts as high as 32 km/h. Chance of precipitation is 50%.
Memorial Day
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 17. North wind around 14 km/h. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 8.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 20.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 9.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 22.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 11.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 21.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 10.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 18.
  Click Map For Forecast
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 1003 m)
1:57 am MDT May 23, 2015
3am MDT May 23, 2015-6pm MDT May 29, 2015
 
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