| Event | Dense Fog Advisory |
| Severity | Moderate |
| Urgency | Expected |
| Certainty | Likely |
| Area | Buchanan; Delaware; Benton; Linn; Iowa; Johnson; Washington; Henry; Lee |
| Effective | 9/17/2026, 1:19:00 AM CDT |
| Expires | 9/17/2026, 9:00:00 AM CDT |
Dense Fog Advisory issued September 17 at 1:19AM CDT until September 17 at 9:00AM CDT by NWS Quad Cities IA IL
Details
* WHAT…Visibility one quarter to one half mile in dense fog.
* WHERE…Benton, Iowa, Johnson, Linn, Buchanan, Delaware, Henry IA,
Lee, and Washington Counties.
* WHEN…Until 9 AM CDT this morning.
* IMPACTS…Low visibility could make driving conditions hazardous.
Instructions
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
More Stories
⚠️ Dense Fog Advisory – Monona; Harrison; Thurston; Wayne; Burt; Nemaha; Richardson – Thursday, September 17, 2026
⚠️ Dense Fog Advisory – Cherokee; Buena Vista; Ida – Thursday, September 17, 2026
⚠️ Dense Fog Advisory – Pocahontas; Humboldt; Wright; Franklin; Butler; Bremer; Sac; Calhoun; Webster; Hamilton; Hardin; Grundy; Black Hawk; Crawford; Carroll; Greene; Boone; Story; Marshall; Tama; Jasper; Poweshiek – Thursday, September 17, 2026