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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Current Conditions

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Lead SD

7 Day Forecast

For More Weather Information:

Rapid City, SD Local Forecast Office

Today

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

High: 6 °C

Tonight

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: -4 °C

Monday

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

High: -3 °C

Monday
Night

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

Low: -8 °C

Tuesday

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: -3 °C

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: -9 °C

Wednesday

Mostly Sunny

Mostly
Sunny

High: 2 °C

Wednesday
Night

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

Low: -7 °C

Christmas
Day

Snow Likely Chance for Measurable Precipitation 60%

Snow
Likely

High: -4 °C

Detailed Forecast

  • Today Rain likely before 5pm, then rain and snow likely. Mostly cloudy, with a high near 6. Southwest wind 16 to 26 km/h, with gusts as high as 37 km/h. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half centimeter possible.
  • Tonight Rain and snow likely, becoming all snow after 8pm. Cloudy, with a low around -4. Blustery, with a west wind 32 to 40 km/h, with gusts as high as 60 km/h. Chance of precipitation is 70%. New snow accumulation of 3 to 5 centimeters possible.
  • Monday Snow likely with areas of blowing snow. Cloudy, with a high near -3. Blustery, with a northwest wind 32 to 39 km/h, with gusts as high as 55 km/h. Chance of precipitation is 70%. New snow accumulation of 9 to 13 centimeters possible.
  • Monday Night Snow likely, mainly before 11pm. Mostly cloudy, with a low around -8. Blustery, with a northwest wind 26 to 32 km/h, with gusts as high as 45 km/h. Chance of precipitation is 60%.
  • Tuesday Snow showers likely, mainly before 11am. Partly sunny, with a high near -3. Northwest wind 23 to 27 km/h, with gusts as high as 39 km/h. Chance of precipitation is 60%.
  • Tuesday Night Partly cloudy, with a low around -9. West wind 8 to 16 km/h, with gusts as high as 24 km/h.
  • Wednesday Mostly sunny, with a high near 2.
  • Wednesday Night A 30 percent chance of snow. Increasing clouds, with a low around -7.
  • Christmas Day Snow likely. Cloudy, with a high near -4. Chance of precipitation is 60%.
  • Thursday Night A 40 percent chance of snow. Mostly cloudy, with a low around -12.
  • Friday A 20 percent chance of snow showers. Partly sunny, with a high near -7.
  • Friday Night Partly cloudy, with a low around -13.
  • Saturday Mostly sunny, with a high near -4.