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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Sisseton SD

7 Day Forecast

For More Weather Information:

Aberdeen, SD Local Forecast Office

Overnight

Mostly Cloudy

Mostly
Cloudy

Low: 21 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 36 °F

Saturday
Night

Blustery

Blustery

Low: 3 °F

Sunday

Blustery

Blustery

High: 8 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: -7 °F

Monday

Cold

Cold

High: 8 °F

Monday
Night

Breezy

Breezy

Low: 6 °F

Tuesday

Breezy

Breezy

High: 29 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 8 °F

Detailed Forecast

  • Overnight Mostly cloudy, with a steady temperature around 21. South wind around 8 mph.
  • Saturday Mostly sunny, with a high near 36. South wind 8 to 15 mph becoming north northwest in the afternoon.
  • Saturday Night Mostly cloudy, with a low around 3. Blustery, with a north northwest wind 15 to 21 mph.
  • Sunday Mostly cloudy, then gradually becoming sunny and cold, with a high near 8. Wind chill values as low as -19. Blustery, with a northwest wind 16 to 21 mph.
  • Sunday Night Mostly clear, with a low around -7. West northwest wind 10 to 15 mph.
  • Monday Sunny and cold, with a high near 8.
  • Monday Night Partly cloudy, with a low around 6. Breezy.
  • Tuesday Mostly sunny, with a high near 29. Breezy.
  • Tuesday Night Partly cloudy, with a low around 8.
  • Wednesday Mostly sunny, with a high near 23.
  • Wednesday Night Partly cloudy, with a low around 9.
  • Thursday Partly sunny, with a high near 28.
  • Thursday Night Mostly cloudy, with a low around 18.
  • Friday Mostly sunny, with a high near 31.