National Weather Service United States Department of Commerce

The flash flooding threat will begin moving east out of the Plains into the Upper Midwest and Great Lakes on Thursday

Flash flooding will continue to be possible on Thursday but will begin moving out of the central and northern Plains. The area of concern will be the Upper Midwest edging into the the eastern Great Lakes region. 1 to 2 inches of rainfall will be possible into Friday.
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Hazardous Weather Conditions

Current Conditions

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Rapid City SD

7 Day Forecast

For More Weather Information:

Rapid City, SD Local Forecast Office

Overnight

Scattered Thunderstorms Chance for Measurable Precipitation 30%

Scattered
Thunderstorms

Low: 61 °F

Thursday

Partly Sunny

Partly
Sunny

High: 80 °F

Thursday
Night

Mostly Clear

Mostly
Clear

Low: 61 °F

Friday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 83 °F

Friday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 58 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 82 °F

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 62 °F

Sunday

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

High: 75 °F

Sunday
Night

Chance Thunderstorms Chance for Measurable Precipitation 30%

Chance
Thunderstorms

Low: 55 °F

Detailed Forecast

  • Overnight Scattered showers and thunderstorms before 3am. Mostly cloudy, with a low around 61. Calm wind becoming northwest around 6 mph. Chance of precipitation is 30%.
  • Thursday Partly sunny, with a high near 80. North wind 5 to 10 mph.
  • Thursday Night Mostly clear, with a low around 61. North wind 5 to 9 mph becoming light and variable.
  • Friday A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 83. Northwest wind 6 to 8 mph becoming northeast in the afternoon.
  • Friday Night A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Northeast wind 6 to 8 mph becoming south after midnight.
  • Saturday Mostly sunny, with a high near 82. South wind 6 to 13 mph.
  • Saturday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
  • Sunday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
  • Sunday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
  • Labor Day A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 75.
  • Monday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53.
  • Tuesday Mostly sunny, with a high near 74.
  • Tuesday Night Partly cloudy, with a low around 54.
  • Wednesday Mostly sunny, with a high near 79.