National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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Hazardous Weather Conditions

Current Conditions

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3 Miles W Sioux Falls SD

7 Day Forecast

For More Weather Information:

Sioux Falls, SD Local Forecast Office

Tonight

Patchy Fog

Patchy
Fog

Low: 24 °F

Saturday

Patchy Fog

Patchy
Fog

High: 52 °F

Saturday
Night

Chance Flurries

Chance
Flurries

Low: 12 °F

Sunday

Chance Flurries

Chance
Flurries

High: 14 °FFalling Temperatures

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 1 °F

Monday

Sunny

Sunny

High: 18 °F

Monday
Night

Breezy

Breezy

Low: 10 °F

Tuesday

Breezy

Breezy

High: 33 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 16 °F

Detailed Forecast

  • Tonight Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 24. East southeast wind around 5 mph becoming south after midnight.
  • Saturday Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 52. South wind 5 to 10 mph becoming west in the afternoon.
  • Saturday Night A chance of flurries after 3am. Increasing clouds, with a low around 12. Blustery, with a north wind 5 to 10 mph increasing to 15 to 20 mph after midnight. Winds could gust as high as 25 mph.
  • Sunday A chance of flurries before 9am. Mostly sunny, with a temperature falling to around 10 by 5pm. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
  • Sunday Night Mostly clear, with a low around 1. Northwest wind 10 to 15 mph.
  • Monday Sunny, with a high near 18.
  • Monday Night Mostly clear, with a low around 10. Breezy.
  • Tuesday Mostly sunny, with a high near 33. Breezy.
  • Tuesday Night Partly cloudy, with a low around 16.
  • Wednesday Mostly sunny, with a high near 31.
  • Wednesday Night Partly cloudy, with a low around 17.
  • Thursday Partly sunny, with a high near 34.
  • Thursday Night Partly cloudy, with a low around 21.
  • Friday Mostly sunny, with a high near 39.