Dense Fog — Johnson, Illinois

2024-04-29 to 2024-04-30 · Johnson, Illinois

Wider weather episode

Following the departure of rain and a cold frontal passage, Southern Illinois had clearing skies and calming winds for the overnight hours early on the 30th. Dense fog developed around midnight, remaining until mid-morning.

Source: NOAA Storm Events Database, event_id 1172223. Narrative written by the NWS forecast office that issued the report.