National Weather Service United States Department of Commerce

Flash flooding threat continues from the Great Basin across the southern Plains

The wet pattern in place will continue from the Great Basin across the central and southern Rockies into the southern Plains into Wednesday. Ample monsoonal moisture with a frontal boundary in place will allow for shower and thunderstorm development with locally heavy rainfall at times. The heavier showers could lead to flash flooding in some areas, especially urban areas and burn scars.
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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

Today

Mostly Sunny

Mostly
Sunny

High: 28 °C

Tonight

Mostly Clear

Mostly
Clear

Low: 16 °C

Thursday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 28 °C

Thursday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 17 °C

Friday

Sunny

Sunny

High: 29 °C

Friday
Night

Mostly Clear

Mostly
Clear

Low: 17 °C

Saturday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 29 °C

Saturday
Night

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

Low: 18 °C

Sunday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 29 °C

Detailed Forecast

  • Today Mostly sunny, with a high near 28. West wind 8 to 13 km/h becoming north 16 to 21 km/h in the afternoon.
  • Tonight Mostly clear, with a low around 16. North wind 10 to 18 km/h becoming west after midnight. Winds could gust as high as 26 km/h.
  • Thursday A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 28. West wind 5 to 13 km/h becoming northeast in the afternoon.
  • Thursday Night A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 17. Northeast wind 8 to 13 km/h becoming light and variable.
  • Friday Sunny, with a high near 29. West wind around 11 km/h becoming east in the afternoon.
  • Friday Night Mostly clear, with a low around 17. East wind 8 to 13 km/h becoming southwest after midnight.
  • Saturday A 20 percent chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 29.
  • Saturday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 18.
  • Sunday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 29.
  • Sunday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 18.
  • Monday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 29.
  • Monday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 18.
  • Tuesday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 25.