WWUS83 KDVN 101135 SPSDVN Special Weather Statement National Weather Service Quad Cities IA IL 635 AM CDT Tue Mar 10 2026 ILZ001-002-007-009-017-018-101415- Jo Daviess-Stephenson-Carroll-Whiteside-Bureau-Putnam- Including the cities of Galena, Freeport, Mount Carroll, Sterling, Princeton, and Hennepin 635 AM CDT Tue Mar 10 2026 ...Patchy Dense Fog This Morning... Areas of fog have developed across portions of north-central and northwest Illinois and could become locally dense with visibilities under a half mile at times. If traveling, be prepared for sudden changes in visibilities over very short distances, make sure to slow down, and keep plenty of stopping distance in front of you. The fog will dissipate by the mid to late morning. $$