National Weather Service United States Department of Commerce

Periods of accumulating lake effect snow are expected for portions of northwest Indiana tonight through Monday morning, particularly northern and eastern Porter County, and points east. For these areas, several inches of accumulation in spots along with blowing and drifting snow at times will cause localized hazardous travel. The greatest impacts are expected Sunday afternoon into Monday morning. If you will be driving through affected areas, leave extra time to reach your destination. Check road conditions before driving.
The chilly weather that arrived Friday will persist through Monday night, with the coldest conditions Sunday night into Monday morning. A weather disturbance will bring flurries and occasional light snow tonight into Sunday. Meanwhile, periods of accumulating lake effect snow in northwest Indiana will cause localized hazardous travel late tonight through Monday morning, primarily in northern and eastern Porter County.