With ideal conditions, temperatures plummeted to lows colder than they have been since early February 2011 in much of the Star Valley area. Following is a list of recorded minimums around the area this Thursday morning beginning with the warmest.
Willow Creek Snotel 8400′ 4
Salt River Summit 7600′ 4
Star Valley Ranch -8
Etna ES -16
Thayne ES -17
Box Y -20
Etna 2NW -21
Etna 2NE -23
3N Cokeville -25
and the coldest unofficially was -28 near Auburn.
Here is a photo of a temperature taken on a truck sensor this morning near Auburn
Continued mostly clear skies, light winds and snow cover assure a couple more cold night.
Riverton Forecast Office has issued a weather briefing into early next week.