CHICAGO --The National Weather Service has issued a Winter Storm Warning (depicted by the pink-shaded area on the map below) from Iowa through the northern portion of Illinois and Indiana into Ohio, including all of the Chicago area, for heavy snow – up to 10-inches and possibly more in some spots. The Winter Storm Warning will take effect in the Chicago area early this Saturday evening and continue through Sunday into Sunday night.
As the center of low pressure forms and moves out of the southern plains toward the Ohio River Valley, snow will begin this afternoon in Iowa and spread east into western Illinois – reaching the Chicago area into northwestern Indiana this evening. As the storm moves east up the Ohio River Valley, northeast winds will strengthen – gusting over 30 miles per hour causing blowing and drifting. Travel will become extremely difficult. The strong winds off Lake Michigan will enhance snowfall totals along and inland of the Lake Michigan shoreline – also possibly extending the period of snow into Monday – when storm totals of a foot or more could be attained.
Winter Storm Watches for approximately the same time period (later this afternoon/evening through Sunday into Sunday night and eventually early Monday far east) are depicted in blue and blue-green on the map above.