Extreme Cold/Wind Chill — Lower Snake River Plain, Idaho

2025-01-20 · Lower Snake River Plain, Idaho

Event narrative

Widespread extreme cold conditions moved into the Lower Snake Plain on the morning of the 20th. Widespread -20 below or colder apparent temperatures readings were recorded. The coldest were -28 in Blackfoot -26 in Gibson.

Wider weather episode

A strong Canadian cold front brought the coldest temperatures of the winter season to southeast Idaho. Several apparent temperature readings of -20 to -55 degrees were recorded after midnight through mid morning on the 20th.

Source: NOAA Storm Events Database, event_id 1233242. Narrative written by the NWS forecast office that issued the report.