Patchy dense fog has developed across northern Indiana this morning, significantly affecting visibility along and north of US-30. Drivers are advised to exercise caution, as visibility in some areas may drop to less than a quarter of a mile.
According to the US National Weather Service Northern Indiana, the fog is expected to persist until around 8 AM EDT. Motorists should slow down and use low-beam headlights to navigate safely through the affected areas. Rapid changes in visibility can occur over short distances, making it crucial to stay alert.