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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2 Miles SSW Sioux Falls, Foss Field SD

7 Day Forecast

For More Weather Information:

Sioux Falls, SD Local Forecast Office

Today

Dense Fog

Dense
Fog

High: 36 °F

Tonight

Snow/Sleet Chance for Measurable Precipitation 80%

Snow/Sleet

Low: 34 °F

Monday

Snow/Sleet Chance for Measurable Precipitation 50%

Snow/Sleet

High: 37 °F

Monday
Night

Snow Likely Chance for Measurable Precipitation 70%

Snow
Likely

Low: 28 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 31 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 20 °F

Wednesday

Mostly Cloudy

Mostly
Cloudy

High: 28 °F

Wednesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 18 °F

Christmas
Day

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 29 °F

Detailed Forecast

  • Today Widespread dense fog, mainly before 9am. Otherwise, cloudy, with a high near 36. South wind 10 to 15 mph.
  • Tonight Rain and sleet, possibly mixed with snow before 4am, then a chance of rain and snow between 4am and 5am, then a chance of rain after 5am. Low around 34. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow and sleet accumulation expected.
  • Monday A chance of rain, snow, and sleet before 4pm, then a chance of rain and snow between 4pm and 5pm, then a chance of snow after 5pm. Cloudy, with a high near 37. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%.
  • Monday Night Snow likely, mainly after midnight. Cloudy, with a low around 28. North northwest wind 5 to 15 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
  • Tuesday A chance of snow. Cloudy, with a high near 31. Blustery, with a north northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
  • Tuesday Night A slight chance of snow before midnight. Mostly cloudy, with a low around 20. Blustery. Chance of precipitation is 20%.
  • Wednesday Mostly cloudy, with a high near 28.
  • Wednesday Night Mostly cloudy, with a low around 18.
  • Christmas Day A chance of snow. Mostly cloudy, with a high near 29. Chance of precipitation is 30%.
  • Thursday Night A chance of snow. Cloudy, with a low around 15. Chance of precipitation is 30%.
  • Friday Mostly cloudy, with a high near 20.
  • Friday Night Mostly cloudy, with a low around 8.
  • Saturday Mostly sunny, with a high near 24.