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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.

Mostly Cloudy

52°F

11°C

Humidity 66%
Wind Speed SE 10 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 22 May 7:52 pm MDT
Extended Forecast for

Rapid City SD

  • Tonight

    Chance Showers Chance for Measurable Precipitation 30%

    Chance
    Showers

    Low: 44 °F

  • Saturday

    Showers Chance for Measurable Precipitation 80%

    Showers

    High: 58 °F

  • Saturday
    Night

    Showers Chance for Measurable Precipitation 90%

    Showers

    Low: 47 °F

  • Sunday

    Showers Chance for Measurable Precipitation 80%

    Showers

    High: 58 °F

  • Sunday
    Night

    Chance Showers Chance for Measurable Precipitation 50%

    Chance
    Showers

    Low: 46 °F

  • Memorial
    Day

    Chance Showers Chance for Measurable Precipitation 40%

    Chance
    Showers

    High: 62 °F

  • Monday
    Night

    Slight Chance Showers Chance for Measurable Precipitation 20%

    Slight Chc
    Showers

    Low: 46 °F

  • Tuesday

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 68 °F

  • Tuesday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 49 °F

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after midnight. Cloudy, with a low around 44. Southeast wind 6 to 10 mph.
Saturday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 58. Southeast wind 6 to 13 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 47. East wind 10 to 14 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 58. North wind 7 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. Northwest wind 8 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Memorial Day
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 62. North wind around 9 mph. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 46.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 68.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 70.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 65.
  Click Map For Forecast
Point Forecast:
Rapid City SD
 44.08°N 103.24°W (Elev. 3291 ft)
6:12 pm MDT May 22, 2015
9pm MDT May 22, 2015-6pm MDT May 29, 2015
 
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