National Weather Service United States Department of Commerce

Severe thunderstorms are possible Tuesday across portions of the eastern Plains

Isolated severe thunderstorms are possible Tuesday across portions of the eastern Plains. A few strong storms may also develop south into the High Plains. Primary threat will be strong winds, however a tornado or two is also possible especially across eastern South Dakota into eastern Nebraska during the afternoon.
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Current Conditions

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Keystone SD

7 Day Forecast

For More Weather Information:

Rapid City, SD Local Forecast Office

Today

Heavy Rain Chance for Measurable Precipitation 100%

Heavy
Rain

High: 58 °F

Tonight

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 47 °F

Wednesday

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

High: 58 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 38 °F

Thursday

Mostly Sunny

Mostly
Sunny

High: 58 °F

Thursday
Night

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 35 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 57 °F

Friday
Night

Partly Cloudy

Partly
Cloudy

Low: 43 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 69 °F

Detailed Forecast

  • Today Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rainfall. Areas of fog before noon. High near 58. Breezy, with a north wind 16 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
  • Tonight A slight chance of showers before 11pm, then a slight chance of showers after 3am. Mostly cloudy, with a low around 47. West wind 8 to 13 mph becoming light and variable. Chance of precipitation is 20%.
  • Wednesday A 20 percent chance of showers. Partly sunny, with a high near 58. Northwest wind 7 to 10 mph.
  • Wednesday Night Partly cloudy, with a low around 38. Northwest wind 6 to 8 mph.
  • Thursday Mostly sunny, with a high near 58. West wind 5 to 13 mph.
  • Thursday Night A 20 percent chance of showers before midnight. Partly cloudy, with a low around 35. Northwest wind 8 to 13 mph.
  • Friday Mostly sunny, with a high near 57.
  • Friday Night Partly cloudy, with a low around 43.
  • Saturday Mostly sunny, with a high near 69.
  • Saturday Night Mostly clear, with a low around 47.
  • Sunday Sunny, with a high near 66.
  • Sunday Night Partly cloudy, with a low around 44.
  • Monday Sunny, with a high near 67.