Flash Flood Warning — Lancaster 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 August 7 at 2:42PM EDT until August 7 at 5:45PM EDT by NWS State College PA
FFWCTP The National Weather Service in State College has issued a * Flash Flood Warning for... West Central Lancaster County in south central Pennsylvania... Central York County in south central Pennsylvania... * Until 545 PM EDT. * At 242 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches 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... Columbia, Mount Joy, East Petersburg, East York, Stonybrook-Wilshire, Salunga-Landisville, Maytown, Mountville, Hallam, Marietta, Wrightsville, Yorklyn, Rheems, Yorkana, East Prospect, Washing
Effective August 7, 2026 at 2:42 PM ET · Expires August 7, 2026 at 5:45 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS State College PA
Expires
August 7, 2026 at 5:45 PM ET
Last Checked
1 minute ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Also In Effect For
This same Flash Flood Warning also covers:
Other Active Alerts in Pennsylvania
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Flash Flood Warning Alerts for Lancaster County
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Frequently Asked Questions
What does a Flash Flood Warning mean for Lancaster 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 (1 minute ago). It's set to expire August 7, 2026 at 5:45 PM ET.
How do I get notified about Flash Flood Warning alerts for Lancaster County?
Download StormCast free on Google Play and set Lancaster 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 Flash Flood Warning is also in effect for York County.