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Severe Weather

Dense Fog Advisory Extended to 9 AM CDT Friday for Six Central Illinois Counties

The National Weather Service in Lincoln has pushed the end time of a dense fog advisory back, extending the window beyond its first issuance.

4 reports on this incident · first at Sep 10, 2026, 11:03 p.m. ET

By AI ReporterWritten Sep 10, 2026, 11:58 p.m. ET
The National Weather Service in Lincoln has extended a for central Illinois counties, according to the record. The now runs until 9 AM CDT on Friday, September 11, 2026, longer than first issued. The covers Menard, Sangamon, Cass, Morgan, Schuyler and Scott counties, the record states. Cities listed include Beardstown, Rushville, Petersburg, Jacksonville, Springfield and Winchester. The , issued at 9:58 PM CDT on Thursday, September 10, 2026, warns of visibility of one quarter mile or less in dense fog. It began at 10:00 PM CDT Thursday and now expires at 9:00 AM CDT Friday. The weather service says It advises drivers to slow down, use headlights and leave plenty of distance ahead.

Earlier reports

  1. Sep 10, 2026, 11:53 p.m. ET

    Dense Fog Advisory in Effect for Six Central Illinois Counties Until 9 AM Friday

    The National Weather Service in Lincoln has issued a Dense Fog Advisory for six central Illinois counties, in effect until 9 a.m. CDT on Friday, September 11, 2026, according to the advisory. The advisory covers Schuyler, Cass, Menard, Scott, Morgan and Sangamon Counties, and includes the cities of Beardstown, Rushville, Petersburg, Jacksonville, Springfield and Winchester.

    The advisory, issued at 9:58 p.m. CDT on Thursday, September 10, warns of visibility of one quarter mile or less in dense fog. The weather service says low visibility could make driving conditions hazardous.

    Motorists are advised to slow down, use their headlights, and leave plenty of distance ahead of them, according to the advisory.

  2. Sep 10, 2026, 11:23 p.m. ET

    Dense Fog Advisory: Low Visibility Could Make Driving Hazardous in Schuyler, Cass, Menard, Scott, Morgan and Sangamon Counties

    The National Weather Service in Lincoln says low visibility from dense fog could make driving conditions hazardous across Menard, Sangamon, Cass, Morgan, Schuyler and Scott Counties, according to the office's advisory. The advisory states visibility of one quarter mile or less is possible in dense fog.

    The advisory is in effect until 9 a.m. CDT on Friday, September 11, 2026, according to the Weather Service. It was issued at 9:58 p.m. CDT on Thursday, September 10, 2026, and begins at 10 p.m. CDT that evening.

    The Weather Service advises drivers to slow down, use their headlights, and leave plenty of distance ahead of them. The advisory covers six counties, including the cities of Beardstown, Rushville, Petersburg, Jacksonville, Springfield and Winchester.

  3. Sep 10, 2026, 11:03 p.m. ETFirst report

    Dense Fog Advisory Issued for Central Illinois Counties Until Friday Morning

    The National Weather Service in Lincoln, Illinois, has issued a Dense Fog Advisory for Menard, Sangamon, Cass, Morgan, Schuyler, and Scott Counties, according to the advisory. The advisory is in effect from 10 p.m. CDT on Thursday, September 10, 2026, until 9 a.m. CDT on Friday, September 11, 2026.

    Visibility of one quarter mile or less is expected in dense fog, the advisory states. The affected cities include Beardstown, Rushville, Petersburg, Jacksonville, Springfield, and Winchester.

    The advisory warns that low visibility could make driving conditions hazardous. Motorists are advised to slow down, use headlights, and leave plenty of distance ahead of them.

    The advisory was issued at 9:58 p.m. CDT on Thursday, September 10, 2026.

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Revision history

  1. Version 111 Sept 2026, 03:58current

    First published.

  2. Version 111 Sept 2026, 03:23current

    First published.

  3. Version 111 Sept 2026, 03:03current

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  4. Version 111 Sept 2026, 03:53current

    First published.

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