health · moderate

Dense fog slows morning drive across Clark County

The National Weather Service renewed a fog alert for Clark County Wednesday morning, telling drivers to slow down and leave extra room.

Patchy dense fog cut visibility to a quarter mile or less across Clark County and surrounding counties on Wednesday morning, the National Weather Service said NWS. The statement took effect at 9:16 a.m. and was set to expire at 10:45 a.m. NWS

The LanternAI-drafted · Fact-checked Published Oct 21, 2026

NWSSpecial Weather Statement for Clark County — issued Oct 21, 9:16 a.m.NWSSpecial Weather Statement for Clark County — issued Oct 21, 7:52 a.m.NWSSpecial Weather Statement for Clark County — issued Oct 21, 5:47 a.m.

Illustration: A driver sits small behind the wheel on a rural asphalt road, broad soft bands of fog hatching swallowing roadside trees and fence posts as headlights glow ahead. — Illustration generated by Sunset Media

Driving in it

The weather service told drivers to expect rapid changes in visibility and to use low-beam headlights NWS. It also advised leaving greater distance between vehicles and allowing extra time to reach a destination NWS. This was the third such statement issued that morning, after earlier alerts at 5:47 a.m. and 7:52 a.m. covering the same fog NWS +1.

3 sources

How we know this:

The National Weather Service office in Wilmington, Ohio, issued the statement at 9:16 a.m. on October 21, 2026 NWS.

Sources

1Special Weather Statement for Clark County — issued Oct 21, 9:16 a.m.NWS Alerts — Clark County, OH · Oct 21, 2026 · the filing on this pageweather.gov

2Special Weather Statement for Clark County — issued Oct 21, 7:52 a.m.NWS Alerts — Clark County, OH · Oct 21, 2026weather.gov

3Special Weather Statement for Clark County — issued Oct 21, 5:47 a.m.NWS Alerts — Clark County, OH · Oct 21, 2026weather.gov

Wednesday, October 21, 2026Clark County, OH · New CarlislePublic record · NWS Alerts — Clark County, OH

The source filing

Event	Special Weather Statement
Message type	Alert
Severity	Moderate
Certainty	Observed
Urgency	Expected
Headline	Special Weather Statement issued October 21 at 9:16AM EDT by NWS Wilmington OH
Area desc	Wayne; Hardin; Mercer; Auglaize; Darke; Shelby; Logan; Union; Delaware; Miami; Champaign; Clark; Madison; Franklin
Effective	October 21, 2026, 9:16 a.m.
Expires	October 21, 2026, 10:45 a.m.
Sender name	NWS Wilmington OH

View the original at weather.gov

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.