Dense Fog in Williamson, Illinois

Dense Fog July 10, 2025 · Williamson, Illinois

The wider storm

Clearing skies and calming winds with moisture lingering from recent rainfall allowed for areas of dense fog to develop in far Southern and Southwestern Illinois late night through early morning.

Source: NOAA Storm Events Database, event 1285258. Narratives are written by the National Weather Service forecast office that issued the report.

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