Extreme Cold/Wind Chill — Upper Wind River Basin, Wyoming

2016-12-17 · Upper Wind River Basin, Wyoming

Event narrative

A weather station reported a low temperature of -36 degrees at Dubois. The Dubois airport had a low temperature of -32 degrees.

Wider weather episode

A combination of deep snowpack, long December nights, an Arctic airmass and light winds brought extreme cold to portions of western and central Wyoming. A station northeast of Dubois had a low temperature of -45 degrees. Several locations in Yellowstone had low temperatures around -40. DuBois dropped to -36 with temperatures of -30 or lower recorded near Meeteetse, Riverton and Casper.

Source: NOAA Storm Events Database, event_id 665924. Narrative written by the NWS forecast office that issued the report.