Parts of Illinois and Wisconsin could see some wildly different weather on Sunday and Monday, with a winter storm watch nearing.
According to the National Weather Service, that watch will take effect Sunday afternoon in southern Wisconsin, including in Kenosha County, and run through Monday night.
That area will potentially get its first taste of snow as soon as Saturday night, with 1-to-3 inches of accumulation possible, according to forecast models.
The precipitation is then expected to turn to rain Sunday morning and into the early afternoon before transitioning back to snow, and before all is said and done Monday night parts of southern Wisconsin could see 5-to-9 inches of snow, with locally higher amounts possible.
Wind gusts in excess of 40 miles per hour could also occur, causing blowing and drifting snow, especially during the morning commute Sunday.
In Illinois, a winter storm watch has been issued for Winnebago, Boone, Ogle and Lee counties, according to the National Weather Service. That watch will take effect Sunday evening and continue until Monday night.
Several inches of snow could fall in the impacted areas, and gusty winds could cause blowing and drifting snow, along with visibility impacts and slick conditions during the Monday morning commute.
The rest of the Chicago area is at risk of strong-to-severe thunderstorms Sunday evening, with parts of the area east of Interstate 55 at a “slight” risk of severe weather, according to the Storm Prediction Center.
The main threats with those storms would be gusty winds, with a chance of small hail and a non-zero chance of tornadoes, according to forecast models.
The rest of the area is at a marginal risk of severe weather, according to the SPC.
Complicating matters will be gusty winds, especially in southern parts of the Chicago area, as a wind advisory will take effect Monday morning in Will and Kankakee counties in Illinois, along with Lake, Porter, Newton, Jasper and LaPorte counties in Indiana.
Wind gusts in excess of 50 miles per hour are possible throughout the day Sunday in the affected areas.
Once the wind shifts out of the north, temperatures are expected to drop rapidly across the Chicago area, with highs only in the 20s on Monday and a chance of snow throughout the area. Minor accumulations are possible, though locally heavier totals could occur in the northwestern and northern suburbs of Chicago, according to forecast models.
The snow will slowly taper off Monday, but the cold weather will stay in place until at least Wednesday, when readings will slowly climb back to their seasonal averages.
Stay tuned to the NBC 5 Storm Team for all the latest weather news and information, and be sure to download the NBC Chicago app for real-time weather alerts sent directly to your phone.
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