Extreme Cold/Wind Chill — South Lincoln County, Wyoming
2017-01-05 to 2017-01-06 · South Lincoln County, Wyoming
Event narrative
Frigid temperatures were common across Southern Lincoln County. Some of the lowest temperatures included minus 40 degrees south of Cokeville and minus 32 degrees at Kemmerer.
Wider weather episode
A combination of an arctic air mass, a clear sky, a long early January night and a deep, fresh snow pack brought frigid temperatures to much of western and central Wyoming. Four different counties recorded low temperatures under minus 40, including a low of minus 45 East of Rock Springs. All eleven counties in the County Warning Area recorded a temperatures of -30 or lower on the night of January 5-6, 2017.
Source: NOAA Storm Events Database, event_id 669770. Narrative written by the NWS forecast office that issued the report.