Dense Fog Advisory issued February 21 at 4:35AM MST until February 21 at 11:00AM MST by NWS Salt Lake City UT

* WHAT…Visibility of one-quarter mile or less in dense fog.

* WHERE…Eastern Box Elder County and Northern Wasatch Front.

* WHEN…Until 11 AM MST this morning.

* IMPACTS…Low visibility could make driving conditions hazardous.

* ADDITIONAL DETAILS…Areas especially impacted include I-15 from
Brigham City to Ogden, the Legacy Parkway, and portions of the
West Davis Highway.