Extreme Cold/Wind Chill — Butler, Pennsylvania
2026-01-30 to 2026-01-31 · Butler, Pennsylvania
Event narrative
Minimum wind chill values generally ranged from -10 to -20 across most of the county with the exception of two readings of -25 and -26 degrees at mesonet sites 1 mile north of Harmony and in West Sunbury, respectively.
Wider weather episode
Under strong 1027 mb high pressure, light wind allowed for efficient radiational cooling and minimum wind chill values to dip to -10 to -20F areawide with some spots below -20F, mostly in sheltered areas and higher elevations.
Source: NOAA Storm Events Database, event_id 1305147. Narrative written by the NWS forecast office that issued the report.