Extreme Cold/Wind Chill — Southwest Carbon County, Wyoming

2020-10-27 · Southwest Carbon County, Wyoming

Event narrative

Dixon Airport measured a minimum wind chill value of minus 30.

Wider weather episode

In the aftermath of strong low pressure system and fresh snowpack, cold Arctic air tanked overnight temperatures the morning of the 27th into the minus 20 and 30 ranges. Laramie Airport measured minimum wind chill of minus 32 while setting a new low temperature for the 27th of minus 26 breaking the previous record of minus 16. This also sets a new monthly low temperature for Laramie breaking the old record of minus 18 set back on 30 October 1993. Cheyenne broke a low temperature record while Rawlins tied their previous record.

Source: NOAA Storm Events Database, event_id 921636. Narrative written by the NWS forecast office that issued the report.