Extreme Cold/Wind Chill — Johnson, Iowa

2019-01-29 to 2019-01-31 · Johnson, Iowa

Event narrative

Low temperatures at the Iowa City Airport ASOS on the 30th and 31st were -26 and -29 Fahrenheit. The coldest wind chill during this period were -51 at 411 AM.

Wider weather episode

A strong arctic high pressure system brought historic cold to much of the Midwest January 29th through January 31st. Numerous low temperature records were broken, including all-time record lows at Cedar Rapids Moline. In addition, life threatening wind chills were reported with values below -30 degrees for many hours. Numerous schools, churches, and businesses closed during the arctic outbreak.

Source: NOAA Storm Events Database, event_id 804852. Narrative written by the NWS forecast office that issued the report.