A storm system will move across the central Plains toward the Great Lakes through Wednesday, bringing dangerous winter weather to the region. A swath of snowfall of 10 inches or more is possible from north central Kansas through southeast Nebraska and southwest Iowa into Wisconsin, which will impact travel across much of the central United States. Light snow will continue today, with snowfall intensity increasing around midday. Periods of heavy snow will then continue through tonight, before snow tapers off by Wednesday morning.
As the system pulls away to the east, northwest winds will increase to around 20-40 mph, creating blowing and drifting snow and the potential for near-blizzard conditions, particularly in open areas. Gusty winds will also combine with temperatures falling to single digits above to single digits below zero to produce wind chills of -15 to -30 degrees tonight.
The combination of heavy snow, blowing snow, and wind chills will create treacherous outdoors conditions through Wednesday. Travel is discouraged from this afternoon through Wednesday; those who must travel should carry a winter emergency kit in their vehicles. Those who must venture outdoors should dress in layers to protect themselves from the cold, windy weather.
Winds will decrease by Wednesday evening to around 5 to 15 mph, but temperatures on Wednesday night will fall below zero again. The combination is expected to create wind chills of -15 to -30 degrees again on Wednesday night.
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