UPDATE: This storm has been upgraded to a winter storm warning. Get the latest info here.

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A winter storm watch has been issued for Natrona County from Wednesday evening to Friday morning - 9 to 12 inches of accumulation possible.

Winter storm watch from 11:00 PM Wednesday until 11:00 AM Friday.

The National Weather Service in Riverton has issued a winter storm watch, which is in effect from Wednesday evening through Friday morning.

Snow will develop Wednesday night and may become heavy at times after 2:00 AM.  Snow will be heavy at times and will continue through the day Thursday, Thursday night and through mid day Friday. The heaviest snowfall will likely occur between 2:00 AM Wednesday night through 11:00 AM  Thursday morning.

Snowfall Accumulation: Ranging from up to 2 feet on Casper Mountain, up to a foot and a half in the vicinity of the city of Casper and 9 to 12 inches across northern and western Natrona County

Main Impact: Roads may become slick and snow covered. Considerable blowing and drifting snow could make travel difficult to impossible. The visibility may become significantly reduced in blowing snow.

Precautionary/Preparedness Actions:  A winter storm watch means there is a potential for significant snow and/or blowing snow that may impact travel.