Visibility expected to drop to the 1 to 3 mile range through this morning, with some locations experiencing periods of dense fog of 1/2 a mile visibility or less.

Additionally, in locations with temperatures below freezing, primarily along and north of highway 20, freezing fog is possible.

Please travel with extra caution. Be alert for changing and reduced visibility due to fog. Untreated roads may become slippery in some locations where dense fog is present.