National Weather Service United States Department of Commerce

Heavy rain and mountain snow across the northwestern U.S. this weekend

A Pacific storm system will continue to impact the West Coast through Sunday. Heavy rainfall could lead to flash flooding, river and small stream flooding, as well as mudslides and debris flows, especially over burn scars. At higher elevations, strong winds and heavy snowfall, with accumulations of 1 to 3 feet, could result in hazardous travel through mountain passes.
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Hazardous Weather Conditions

Current Conditions

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Deadwood SD

7 Day Forecast

For More Weather Information:

Rapid City, SD Local Forecast Office

Tonight

Partly Cloudy

Partly
Cloudy

Low: 28 °F

Sunday

Chance Showers Chance for Measurable Precipitation 50%

Chance
Showers

High: 46 °F

Sunday
Night

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

Low: 27 °F

Monday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: 30 °FFalling Temperatures

Monday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: 24 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 32 °F

Tuesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 22 °F

Wednesday

Partly Sunny

Partly
Sunny

High: 39 °F

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 22 °F

Detailed Forecast

  • Tonight Partly cloudy, with a low around 28. Southwest wind 6 to 10 mph.
  • Sunday A 50 percent chance of showers after 11am. Mostly cloudy, with a high near 46. Southwest wind 9 to 13 mph.
  • Sunday Night Rain showers before 8pm, then rain and snow showers between 8pm and 11pm, then snow showers after 11pm. Low around 27. Blustery, with a west wind 17 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
  • Monday Snow likely. Mostly cloudy, with a temperature rising to near 30 by 10am, then falling to around 26 during the remainder of the day. Blustery, with a northwest wind 21 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 60%.
  • Monday Night Snow likely. Mostly cloudy, with a steady temperature around 24. Blustery, with a northwest wind 17 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%.
  • Tuesday A 30 percent chance of snow. Partly sunny, with a high near 32. Northwest wind 11 to 17 mph, with gusts as high as 23 mph.
  • Tuesday Night Mostly cloudy, with a low around 22.
  • Wednesday Partly sunny, with a high near 39.
  • Wednesday Night A 30 percent chance of snow. Mostly cloudy, with a low around 22.
  • Christmas Day A 50 percent chance of snow. Cloudy, with a high near 32.
  • Thursday Night A 40 percent chance of snow. Mostly cloudy, with a low around 15.
  • Friday A 20 percent chance of snow. Mostly cloudy, with a high near 25.
  • Friday Night Partly cloudy, with a low around 12.
  • Saturday Mostly sunny, with a high near 32.