Huntley Police Department has warned drivers to avoid Route 47 between Ackman and Conley roads.
The department has closed Route 47 between the two roads because of snow drifts and car crashes, according to a Nixle sent out by the department around 9:40 p.m. Tuesday.
The National Weather service has issued a winter weather advisory for Lake and McHenry counties Tuesday. The winter weather advisory remains in effect until 3 a.m. Wednesday.
Snow and strong winds are expected to continue into the night, according to the service.