On Wednesday, approximately 10 million people are under winter alerts, including blizzard warnings, and approximately 26 million people are under alert for high winds, affecting Wyoming, Colorado, South Dakota and Nebraska.
In Denver, Minneapolis and Chicago, it is expected that temperatures will drop 30 degrees or more on Wednesday. According to the NWS, some areas in the United States are set to experience weather whiplash, blizzard warnings were in effect in parts of Nebraska, South Dakota and Minnesota.
The weather service said that more than 8 inches of snow is likely from southwest Wyoming through northern Nebraska, much of South Dakota and into southern Minnesota, with accumulations of 18 inches or more in isolated areas. It said snow was expected to begin falling in the Northern Rockies by Tuesday and to spread into parts of the central United States by Wednesday, continuing into Thursday. Strong winds accompanying the snow will make travel difficult to impossible through Friday, the National Weather Service says.NOAA Weather Prediction Center.
