Dense Fog in Pulaski, Illinois

Dense Fog January 21, 2026 – January 22, 2026 · Pulaski, Illinois

The wider storm

Clear skies and calm winds following a cold frontal passage allowed for locally dense fog to form over the Ohio/Mississippi confluence region of far Southern Illinois late evening on the 21st through the early AM hours of the 22nd. Northerly winds increasing to 4-7mph before dawn brought an end to fog conditions.

Source: NOAA Storm Events Database, event 1311294. Narratives are written by the National Weather Service forecast office that issued the report.

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