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White out blizzard conditions1/18/2024 You can track Illinois road conditions here. "Dangerous cold is still a hazard even when traveling," the NWS warns. "A flash freeze may cause icy roads during the accumulating snow."Īdditionally, power outages could come as a result of strong wind gusts, and roads are likely to "quickly become as ice covered as temperatures fall."Īccording to forecast model, wind chill temperatures could drop as low as -35 degrees, creating the potential for frostbite. "Travel conditions will likely rapidly deteriorate on Thursday AM through the afternoon from west to east," the NWS goes on to say. Expected Road ConditionsĪccording to the National Weather Service, a combination of heavy snow and strong, 55 mile-per-hour winds could lead to blizzard-like conditions.Īn NWS winter storm watch alert beginning as early as Thursday morning warns that "falling and blowing snow may result in white-out conditions with zero visibility at times, making travel extremely difficult, if not impossible. Wednesday and Thursday alone, the Illinois Tollway estimating that 1.7 million vehicles are expected to use the tollway system. According to AAA, 113 million Americans - 5.8 million in Illinois - are expected to travel 50 miles or more between Dec. The storm comes amid one of the busiest travel times of the year. The National Weather Service is warning travelers and motorists - whether they're taking trip out of town or just down the road - that travel conditions during the height of the storm could be potentially " life-threatening." #ILwx #INwx (4/5) /zpUM5OGoPH- NWS Chicago December 21, 2022īlizzard-like conditions or not, many travelers and commuters may not be able to stay put inside.Īccording to the Illinois Tollway, and estimated 1.7 million vehicles are expected to use the tollway system on both Wednesday and Thursday. Exposed north-south roads will be most susceptible to being drifted over with snow. Ground blizzard conditions: Even without major snowfall, strong winds lofting fresh snow can create treacherous travel due to near whiteout conditions, especially in open areas. Power outages, wind gusts of up to 50 mph, and wind chills as low as 35 degrees below zero are all possible. Saturday.Īnd though the Chicago area is not under a blizzard watch or warning, white out conditions and "zero visibility" are also possible, "making travel extremely difficult." Wind gusts of up to 55 mph could also lead to power outages and ice-covered roads are possible as temperatures "rapidly fall" late Thursday afternoon and into early Thursday eveningįrom Thursday night and into Friday, wind chills as low as 35 degrees below zero are likely, creating conditions ripe for frostbite to form.Īccording to forecast models, the highest snowfall totals of six inches and above are expected to be in Porter County, in Northwest Indiana, where a blizzard warning is in effecting beginning at 3 p.m. "Regardless of exact snowfall," the NWS says, "strong winds will cause substantial blowing and drifting snow." Regardless of the "type" of warning or advisory into which the Winter Storm watch is transitioned, travel will be nasty Thursday PM - Friday.- NWS Chicago December 20, 2022 Technically a blizzard warning has no snowfall accumulation criteria it is based on winds and visibility.
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