Severe Thunderstorm Warning — Mercer County, Pennsylvania
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Current Status
✅ No Active Severe Thunderstorm Warning
Last one for Mercer County ended September 3, 2026 at 7:46 PM ET. This page updates automatically the moment the National Weather Service issues a new one.
Event Details
Event Type
Severe Thunderstorm Warning
Severity
severe
Issued By
NWS Pittsburgh PA
Last Checked
28 minutes ago
Also In Effect For
This same Severe Thunderstorm Warning also covers:
Other Active Alerts in Pennsylvania
Flash Flood Warning
Flash Flood Warning
Tornado Warning
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Severe Thunderstorm Warning 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 Warning mean for Mercer County, Pennsylvania?
A thunderstorm capable of producing damaging winds of 58+ mph and/or 1-inch hail has been detected.
Is this Severe Thunderstorm Warning currently active?
Not right now. The last one for Mercer County ended September 3, 2026 at 7:46 PM ET. This page automatically updates the moment a new one is issued.
How do I get notified about Severe Thunderstorm Warning alerts for Mercer County?
Download StormCast free on Google Play and set Mercer County, Pennsylvania 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 Warning is also in effect for Lawrence County, Venango County.