National Weather Service United States Department of Commerce

Rainfall and mountain snow will continue across the western U.S. into Monday

Heavy precipitation along the west coast will persist with a focus along the Coastal Ranges and Cascades. While not nearly as impressive as recent days, the forecast suggests another 1 to 3 inches of rainfall is possible across this region. Farther inland, moderate to heavy snow is likely over the Wasatch and Colorado Rockies with 1 to 2 foot amounts possible through Monday.
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Hazardous Weather Conditions

Current Conditions

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3 Miles NNE Newcastle WY

7 Day Forecast

For More Weather Information:

Rapid City, SD Local Forecast Office

Overnight

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

Low: 26 °F

Monday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: 29 °F

Monday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 20 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

High: 26 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 14 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 36 °F

Wednesday
Night

Wintry Mix Chance for Measurable Precipitation 20%

Wintry
Mix

Low: 24 °F

Christmas
Day

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 30 °F

Thursday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: 13 °F

Detailed Forecast

  • Overnight A 50 percent chance of snow. Cloudy, with a low around 26. Blustery, with a northwest wind around 22 mph, with gusts as high as 30 mph.
  • Monday Snow likely, mainly after 11am. Cloudy, with a high near 29. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
  • Monday Night Snow likely. Cloudy, with a low around 20. Blustery, with a northwest wind around 23 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
  • Tuesday A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 26. North wind 13 to 18 mph, with gusts as high as 25 mph.
  • Tuesday Night Partly cloudy, with a low around 14. Northwest wind 5 to 9 mph becoming light west.
  • Wednesday Mostly sunny, with a high near 36. Northwest wind 5 to 7 mph becoming southwest in the afternoon.
  • Wednesday Night A slight chance of snow and freezing rain after 11pm. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
  • Christmas Day A 50 percent chance of snow. Mostly cloudy, with a high near 30.
  • Thursday Night A 30 percent chance of snow. Mostly cloudy, with a low around 13.
  • Friday A 20 percent chance of snow showers. Partly sunny, with a high near 19.
  • Friday Night Partly cloudy, with a low around 5.
  • Saturday Mostly sunny, with a high near 23.
  • Saturday Night Mostly cloudy, with a low around 12.
  • Sunday Partly sunny, with a high near 27.