A very impactful winter storm is expected to track across the Sioux Falls Tri-State region beginning late tonight through Friday evening. Begin to prepare now!

The National Weather Service in Sioux Falls has issued a WINTER STORM WATCH in effect from 6 am Friday morning until 12 am on Saturday morning.

Heavy snow is possible. Total snow accumulations of 4 to 10 inches possible. Isolated higher amounts may occur.

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Portions of southeast South Dakota, northeast Nebraska, northwest and west-central Iowa, and southwest Minnesota.

National Weather Service Sioux Falls
National Weather Service Sioux Falls
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Travel could be very difficult. The hazardous conditions could impact the morning or evening commute.

The counties included in the Winter Storm Watch include Lyon, Osceola, Dickinson, Sioux-O`Brien, Clay, Plymouth, Cherokee, Buena Vista, Woodbury, Murray, Cottonwood, Nobles, Jackson, Rock, Dixon, Dakota, Minnehaha, Turner, Lincoln, and Union.

The forecast from the NWS in Sioux Falls....

Today: Mostly sunny, with a high near 44. South southwest wind 5 to 10 mph becoming northwest 10 to 15 mph in the morning. Winds could gust as high as 30 mph.

Tonight: A chance of snow, mainly after 3am. Increasing clouds, with a low around 24. North northwest wind around 5 mph becoming calm. Chance of precipitation is 50%.

Friday: Snow. The snow could be heavy at times. High near 30. Northeast wind 10 to 15 mph. Chance of precipitation is 100%. New snow accumulation of around 7 inches.

Friday Night: A chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 16. North wind 10 to 15 mph becoming west northwest after midnight. Chance of precipitation is 40%.

Saturday: Sunny, with a high near 30. West northwest wind around 10 mph becoming southwest in the afternoon.

Saturday Night: Mostly clear, with a low around 20. South southwest wind 5 to 10 mph.

Sunday: Sunny, with a high near 38.

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