Extreme Cold/Wind Chill — Winneshiek, Iowa

2025-02-17 to 2025-02-18 · Winneshiek, Iowa

Event narrative

Minimum wind chills across Winneshiek County ranged between 30 to 40 degrees on the morning of February 18th. The coldest wind chill in the county of 36 degrees below zero was reported 1 mile east-northeast of Jackson Junction.

Wider weather episode

An arctic airmass moved into the Upper Mississippi River Valley on February 17th, bringing dangerously cold wind chills along with it. The coldest period was during the morning hours on February 18th where wind chills fell as low as 30 to 45 degrees below zero in some locations.

Source: NOAA Storm Events Database, event_id 1238092. Narrative written by the NWS forecast office that issued the report.