National Weather Service United States Department of Commerce

Developing storm will spread rain across eastern U.S.; thunderstorms in the Southeast

A storm system developing in the South will move up the Mississippi River Valley on Sunday bringing rainfall to much of the eastern U.S., along with thunderstorms in the southeastern states. Some of the thunderstorms in the Southeast could produce large hail, damaging wind and heavy rain.
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Hazardous Weather Conditions

Current Conditions

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5 Miles ENE Custer SD

7 Day Forecast

For More Weather Information:

Rapid City, SD Local Forecast Office

Today

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 34 °FFalling Temperatures

Tonight

Blustery

Blustery

Low: 22 °F

Monday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 33 °F

Monday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 20 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 36 °F

Tuesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 25 °F

Wednesday

Chance Rain/Snow Chance for Measurable Precipitation 30%

Chance
Rain/Snow

High: 38 °F

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 22 °F

Thanksgiving
Day

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

High: 33 °F

Detailed Forecast

  • Today A 20 percent chance of snow showers. Partly sunny, with a temperature falling to around 25 by 5pm. Breezy, with a northwest wind 20 to 26 mph, with gusts as high as 38 mph.
  • Tonight Partly cloudy, with a low around 22. Blustery, with a northwest wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 31 mph.
  • Monday A 30 percent chance of snow showers, mainly before 11am. Partly sunny, with a high near 33. Northwest wind 13 to 15 mph, with gusts as high as 21 mph.
  • Monday Night Mostly cloudy, with a low around 20. West wind 8 to 10 mph.
  • Tuesday A 30 percent chance of snow showers. Mostly cloudy, with a high near 36. West wind 9 to 11 mph, with gusts as high as 16 mph.
  • Tuesday Night A chance of snow showers. Mostly cloudy, with a low around 25. Northwest wind 8 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
  • Wednesday A chance of rain and snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
  • Wednesday Night A 30 percent chance of snow showers. Mostly cloudy, with a low around 22.
  • Thanksgiving Day A 20 percent chance of snow showers. Partly sunny, with a high near 33.
  • Thursday Night Mostly cloudy, with a low around 22.
  • Friday Mostly sunny, with a high near 36.
  • Friday Night Mostly cloudy, with a low around 15.
  • Saturday Partly sunny, with a high near 31.