Iowa, Illinois, Missouri Moderate Dense Fog Advisory | Effective 09/11/2026 04:33

Headline: 
Dense Fog Advisory issued September 11 at 6:33AM CDT until September 11 at 9:00AM CDT by NWS Quad Cities IA IL
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
September 11, 2026 - 4:33am
Expires: 
September 11, 2026 - 7:00am
Description: 
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Illinois, Hancock, Henderson, McDonough, and Warren Counties. In Iowa, Lee County. In Missouri, Clark County. * WHEN...Until 9 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Instruction: 
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Area Description: 
Lee; Henderson; Warren; Hancock; McDonough; Clark
Forcast Office: 
NWS Quad Cities IA IL
Sender: 
w-nws.webmaster@noaa.gov