Winter Weather in De Witt, Illinois

Snow accumulations of less than two inches were reported across the county, along with westerly wind gusts of 40 to 50 mph. This resulted in blowing snow, slick roadways, and reduced visibility. The emergency manager reported that visibility was less than a quarter mile at times on Route 10 east of Clinton, and similar conditions were noted along Route 48 going north towards Weldon. Multiple accidents were reported. Conditions gradually improved into the evening of Monday, March 16, as the winds weakened.

A strong low pressure system (987 mb) moved across Illinois on Sunday, March 15, 2026, sending a robust cold front sweeping across the state during the evening. Following the cold frontal passage, much colder air moved into the region, resulting in rain changing to snow. Snow accumulations of 2 to 4 inches occurred across Knox and Stark counties, with lesser amounts to the south and east. Strong westerly wind gusts of 40-50 mph led to blowing snow and reduced visibility at times from Sunday evening through the day on Monday, March 16. This led to hazardous travel conditions, with numerous accidents and some road closures reported. The impacts were most pronounced on north-south roads.