Flash Flood Warning — Lawrence County, Pennsylvania
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued September 3 at 7:29PM EDT until September 3 at 10:30PM EDT by NWS Pittsburgh PA
FFWPBZ The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... Central Mercer County in northwestern Pennsylvania... Northern Lawrence County in western Pennsylvania... * Until 1030 PM EDT. * At 729 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Hermitage, Sharpsville, Greenville, New Wilmington, Mercer, Pulaski, West Middlesex, Plain Grove Township, Clark, Fredonia, Harlansburg, Jackson Center and Volant.
Effective September 3, 2026 at 7:29 PM ET · Expires September 3, 2026 at 10:30 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS Pittsburgh PA
Expires
September 3, 2026 at 10:30 PM ET
Last Checked
2 minutes ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Other Active Alerts in Pennsylvania
Flash Flood Warning
Tornado Warning
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Flash Flood Warning Alerts for Lawrence County
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Frequently Asked Questions
What does a Flash Flood Warning mean for Lawrence County, Pennsylvania?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (2 minutes ago). It's set to expire September 3, 2026 at 10:30 PM ET.
How do I get notified about Flash Flood Warning alerts for Lawrence County?
Download StormCast free on Google Play and set Lawrence 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.