Snow is expected to start falling in the area around 3 am Friday morning. Snow will start off light, but will quickly become moderate to heavy at times. Snow will start accumulating early morning Friday as the system progresses. As the system passes through the area, we will see fairly strong winds across Siouxland with winds between 20 and 25 MPH, with wind gusts up to 40 MPH possible.
Temperatures will start off in the teens in the early morning hours and will gradually warm up into the upper 20s. With temperatures rising to near the freezing mark, we could see a bit of mixed precipitation. Given that upper air temperatures will stay well below freezing and surface temperatures hovering around the freezing mark, that mixed precipitation would be more of a snow, sleet mix.
Saturday is looking to be more on the dry side as far as precipitation goes; however, winds are still projected to stay strong. Winds will increase slightly overnight Friday into the start of Saturday and will continue to stay strong, coming from the northwest between 20 and 30 MPH, with wind gusts as high as 50 MPH possible at times across the area.
With the winds projected to be strong mixed with the snowpack on the ground, we could continue to see hazardous driving conditions around Siouxland. Given the speeds of the wind, Siouxland could experience blowing snow and very slick road conditions with partially and/or completely snow-covered roads.
Due to the winter storm on the way and the windy conditions lingering into Saturday, the National Weather Service has issued both a Winter Storm Warnings and a Winter Weather Advisories for Siouxland. The Winter Storm Warning will continue until midnight, and then we’ll see a Blizzard Warning until 6 pm Saturday evening. The Winter Weather Advisory will continue until 6 am Saturday morning.
Again, given the windy conditions mixed with fresh snowpack, Siouxland could see hazardous conditions such as partially to completely snow-covered roads, ground blizzards, slick roads, and reduced visibility, especially in the more rural areas of Siouxland.
Regarding totals for the area once the snow stops early Saturday morning, Siouxland is looking to range from five to seven inches of snow in and right around Sioux City, with localized totals of seven to nine inches possible north and northeast of Sioux City. The areas to the northeast of Sioux City will see more snow throughout the day and less of a mixed precipitation chance.
All of Siouxland will experience difficulties traveling on Friday and at least Saturday morning.
Stay with KCAU 9 News as we provide more updates before, during, and after the winter storm has passed.