National Weather Service United States Department of Commerce

Atmospheric River in the Pacific Northwest and Northern Rockies this Weekend

A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low elevations rain and heavy high elevation snow in the mountains. By Sunday over the Interior Northwest, rain combined with snowmelt will increase the risk of flood hazards. Flood Watches are in effect. Read More >

  Overview
 

A strong cold front plunged south across the area on Saturday, spreading snow and sharply colder temperatures along and east of the Continental Divide.
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GOES 16 Visible Satellite Loop from Sunday afternoon showing areas where heavier snow fell across the Big Horn and Wind River Basins as low clouds moved out of the area (white areas that move are clouds, white areas that don't move are snow).
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24 hour snowfall totals ending at 6 am Sunday, October 14, 2018
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I 25 in Casper Saturday Evening
4 inches of snow was reported
at the Natrona County International Airport
Riverton - 6 inches of snow reported
east of Downtown
9-10 inches of new snow at
Sinks Canyon Campground south of Lander
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