9:30PM RADAR: The arctic cold front is pushing across the Mississippi River, producing some gusty snow showers along the edge of it. NW wind gusts will increase to 35+ mph shortly behind the front, causing some blowing and drifting. Temps drop sharply, down below zero tonight with wind chills well below zero.
Most of the steady snow will wind down through 11PM, but a few pockets of steady snow showers within intermittent flurries may still be possible into the night. Increasing Northwest wind gusts will approach 35 mph after 12AM, leading to blowing and drifting snow and some continued slick spots into Monday afternoon.
The strong winds will lead to quickly falling temperatures and increasingly cold wind chills. By midnight, wind chills will reach below zero. Minimum wind chills will reach -20° to -25° by 5AM and remain below -20° through 12PM Monday. If you must be outdoors, be sure to dress in layers, as frostbite is possible in under 30 minutes in those conditions!
A cold weather advisory (previously called wind chill advisory) will go into effect at 3AM and run through 12PM across the entire Stateline. Wind chills could briefly reach as low as -30° for a few spots Northwest of Rockford early Monday morning. Chills will remain below zero through Tuesday afternoon but will not be as dangerously cold after Monday morning.
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