An arctic air mass remains in place across the Ohio Valley region, bringing more cold temperatures and snow accumulations by the end of the week.

The seasonably cold January weather is sticking around Chicagoland this week. Early-morning temperatures Wednesday were in the single digits away from the lake and in the teens closer to the lake, with winds out of the northwest dropping wind-chill values to around zero in some locations.

A deep freeze sets in this week as Cincinnati and Northern Kentucky remain blanketed in snow. Schools close for a second day, roads, other updates.