Severe Thunderstorm Watch — Mercer County, Ohio
Conditions favor the development of severe thunderstorms in and near the watch area.
Current Status
⛈️ Active: Severe Thunderstorm Watch
Severe Thunderstorm Watch issued August 9 at 7:22PM EDT until August 10 at 12:00AM EDT by NWS Wilmington OH
THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 548 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT FOR THE FOLLOWING AREAS IN OHIO THIS WATCH INCLUDES 8 COUNTIES IN CENTRAL OHIO DELAWARE LICKING UNION IN WEST CENTRAL OHIO AUGLAIZE HARDIN LOGAN MERCER SHELBY THIS INCLUDES THE CITIES OF ADA, BELLEFONTAINE, CELINA, COLDWATER, DELAWARE, KENTON, MARYSVILLE, MINSTER, NEW BREMEN, NEWARK, SIDNEY, ST. MARYS, AND WAPAKONETA.
Effective August 9, 2026 at 7:22 PM ET · Expires August 10, 2026 at 12:00 AM ET
Event Details
Event Type
Severe Thunderstorm Watch
Severity
severe
Issued By
NWS Wilmington OH
Expires
August 10, 2026 at 12:00 AM ET
Last Checked
1 hour ago
Also In Effect For
This same Severe Thunderstorm Watch also covers:
Other Active Alerts in Ohio
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Flood Advisory
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Severe Thunderstorm Watch Alerts for Mercer County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Severe Thunderstorm Watch mean for Mercer County, Ohio?
Conditions favor the development of severe thunderstorms in and near the watch area.
Is this Severe Thunderstorm Watch currently active?
Yes — this alert is active as of our last check (1 hour ago). It's set to expire August 10, 2026 at 12:00 AM ET.
How do I get notified about Severe Thunderstorm Watch alerts for Mercer County?
Download StormCast free on Google Play and set Mercer County, Ohio as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Severe Thunderstorm Watch is also in effect for Hardin County, Shelby County, Auglaize County, Logan County.