South Laramie Range Foothills Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

Dense Fog Advisory
Issued: 3:55 AM MDT May. 20, 2018 – National Weather Service

... Dense fog advisory now in effect until 11 am MDT this

* timing... through Sunday morning. Fog is rapidly developing
across the Interstate 80 Summit this evening.

* Visibility... less than one quarter mile, especially between
mile markers 325 and 345. Some areas may see visibilities as
low as 300 feet.

* Impacts... dangerous travel conditions due to very low
visibilities and an increased risk for vehicle collisions.

Precautionary/preparedness actions...

A dense fog advisory means visibilities will frequently be
reduced to less than one quarter mile. If driving... slow down...
use your headlights... and leave plenty of distance ahead of you.


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