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 Pacific Northwest through late 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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3 Miles N Ponca NE

7 Day Forecast

For More Weather Information:

Sioux Falls, SD Local Forecast Office

This
Afternoon

Breezy

Breezy

High: 40 °F

Tonight

Rain Chance for Measurable Precipitation 80%

Rain

Low: 34 °F

Monday

Chance Rain/Snow Chance for Measurable Precipitation 40%

Chance
Rain/Snow

High: 41 °F

Monday
Night

Rain/Snow Likely Chance for Measurable Precipitation 60%

Rain/Snow
Likely

Low: 29 °F

Tuesday

Chance Snow Chance for Measurable Precipitation 50%

Chance
Snow

High: 32 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 22 °F

Wednesday

Mostly Cloudy

Mostly
Cloudy

High: 30 °F

Wednesday
Night

Mostly Cloudy

Mostly
Cloudy

Low: 21 °F

Christmas
Day

Chance Snow Chance for Measurable Precipitation 30%

Chance
Snow

High: 33 °F

Detailed Forecast

  • This Afternoon Cloudy, with a high near 40. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
  • Tonight Rain, mainly before 3am. Low around 34. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Monday A chance of rain before 5pm, then a chance of rain and snow. Cloudy, with a high near 41. South southwest wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 40%.
  • Monday Night A chance of rain and snow before 10pm, then snow likely. Cloudy, with a low around 29. West wind 5 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
  • Tuesday A chance of snow. Cloudy, with a high near 32. Breezy, with a 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 22. Blustery. Chance of precipitation is 20%.
  • Wednesday Mostly cloudy, with a high near 30.
  • Wednesday Night Mostly cloudy, with a low around 21.
  • Christmas Day A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 30%.
  • Thursday Night A chance of snow. Cloudy, with a low around 18. Chance of precipitation is 40%.
  • Friday Mostly cloudy, with a high near 24.
  • Friday Night Mostly cloudy, with a low around 11.
  • Saturday Mostly sunny, with a high near 28.