Thursday, October 7, 2021

Locally dense fog possible Friday morning

 



A DENSE FOG ADVISORY has been issued for Green, Rock and Walworth counties until 10am Friday as locally dense fog has developed, especially over southern Wisconsin.

Low pressure currently moving across northern Illinois will lift north and northeast through Friday.  As winds have turned light, high levels of moisture in the atmosphere have allowed areas of fog to develop; especially in locations where some clearing of the cloud cover has taken place.  Where the clearing lasts for some time Thursday night, locally dense fog could be possible.

Visibility to the north in Wisconsin has quickly dropped over the last couple of hours, with a few locations down near zero mile visibility.  The significant reduction in visibility will be a cause for concern for the morning commute Friday, so please drive with caution.  

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