Cold/Wind Chill — Hamilton, Illinois
2025-01-19 to 2025-01-22 · Hamilton, Illinois
Wider weather episode
An Arctic front had moved across the Quad State region the previous day, bringing dangerous cold temperatures and breezy conditions beginning on the 19th. Most of southern Illinois experienced up to 3 intervals of wind chills around -5 degrees through the morning hours on the 22nd. An area of high pressure on the 20th was followed by a secondary cold front during the morning of the 21st.
Source: NOAA Storm Events Database, event_id 1230549. Narrative written by the NWS forecast office that issued the report.