Dense fog warning renewed through Clark County morning
The National Weather Service issued a third update as patchy dense fog kept visibility low across Clark County into mid-morning.
Patchy dense fog cut visibility to a quarter mile or less across Clark County on the morning of October 21. NWS The National Weather Service issued a special weather statement at 7:52 a.m., set to expire by 9:30 a.m. NWS It told drivers to expect rapid changes in visibility and to leave more room between vehicles, use low-beam headlights and allow extra time to reach their destination. NWS
Three alerts in one morning
The 7:52 a.m. statement followed an earlier one issued at 5:47 a.m. NWS +1 That first statement had been set to expire by 8 a.m., meaning the fog outlasted its window. NWS +1 The weather service then issued another statement at 9:16 a.m., extending the warning until 10:45 a.m. and widening the area to include more counties. NWS Each statement repeated the same guidance for motorists: expect sudden drops in visibility, keep extra distance between cars, use low beams and build in extra travel time. NWS +2
This report is drawn from special weather statements issued by the National Weather Service office in Wilmington, Ohio, on October 21, 2026, at 5:47 a.m., 7:52 a.m. and 9:16 a.m. NWS +2
Sources
The source filing
| Event | Special Weather Statement |
|---|---|
| Message type | Alert |
| Severity | Moderate |
| Certainty | Observed |
| Urgency | Expected |
| Headline | Special Weather Statement issued October 21 at 7:52AM EDT by NWS Wilmington OH |
| Area desc | Wayne; Darke; Miami; Champaign; Clark; Madison; Franklin; Licking; Fairfield |
| Effective | October 21, 2026, 7:52 a.m. |
| Expires | October 21, 2026, 9:30 a.m. |
| Sender name | NWS Wilmington OH |
Published by National Weather Service (api.weather.gov). This is the agency's public filing as The Lantern received it, shown with its fields named in plain English.