Chicago, IL – A dense fog advisory is in effect for several northern Illinois counties, including Winnebago, Boone, McHenry, Ogle, Lee, DeKalb, and Kane, until 4 a.m. CST Thursday.
According to the National Weather Service, visibility may drop to a quarter mile or less in affected areas, creating hazardous driving conditions. Cities impacted include Rockford, Aurora, DeKalb, Crystal Lake, and Woodstock.
Drivers are advised to exercise caution by reducing speed, using headlights, and maintaining a safe following distance. Foggy conditions can lead to sudden drops in visibility, increasing the risk of accidents. Commuters should allow extra travel time and use fog lights if available.
While fog is expected to gradually dissipate after 4 a.m., motorists should remain alert for lingering low-visibility patches through the early morning hours.
The National Weather Service encourages travelers to stay updated on conditions and check local traffic reports before heading out. Residents are advised to be particularly careful on rural roads and low-lying areas, where fog tends to be denser.
For more information and updates, visit the National Weather Service website or tune in to local weather broadcasts.