| Event | Dense Fog Advisory |
| Severity | Moderate |
| Urgency | Expected |
| Certainty | Likely |
| Area | Pocahontas; Humboldt; Wright; Franklin; Butler; Bremer; Sac; Calhoun; Webster; Hamilton; Hardin; Grundy; Black Hawk; Crawford; Carroll; Greene; Boone; Story; Marshall; Tama; Jasper; Poweshiek |
| Effective | 9/17/2026, 1:31:00 AM CDT |
| Expires | 9/17/2026, 10:00:00 AM CDT |
Dense Fog Advisory issued September 17 at 1:31AM CDT until September 17 at 10:00AM CDT by NWS Des Moines IA
Details
* WHAT…Visibility less than one half mile in dense fog.
* WHERE…Portions of central and northern Iowa.
* WHEN…Until 10 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.
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