... Dense fog advisory in effect until 9 am CST this morning...
The National Weather Service in Sioux Falls has issued a dense
fog advisory, which is in effect until 9 am CST this morning.
* Visibility... visibility of a quarter mile or less is likely
through mid morning.
* Impacts... in addition to the dense fog reducing visibilities, fog
condensing on relatively cold surfaces can make roads slippery.
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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Dense Fog Advisory
Issued: 4:24 AM CST Nov. 22, 2018 – National Weather Service