Flash Flood Warning Issued for Southwestern Chester County, PA
This alert is no longer in effect.
NOAA issued it on July 14, 2026, 5 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Mount Holly NJ has issued a Flash Flood Warning for southwestern Chester County until 2:00 AM EDT June 15 due to thunderstorms producing heavy rain.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southwestern Chester County, Pennsylvania
- Issued
- July 14, 2026
- Issuing authority
- NWS Mount Holly NJ
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 5 weeks ago; use the issuing agency's live warning service for current conditions in Southwestern Chester County, Pennsylvania.
Alert Details
A Flash Flood Warning has been issued by the National Weather Service in Mount Holly NJ. The alert is effective from 9:50 PM EDT on June 14, 2026, until 2:00 AM EDT on June 15, 2026.
Affected Areas
The warning covers Southwestern Chester County in southeastern Pennsylvania. Locations that may experience flash flooding include Coatesville, Downingtown, Kennett Square, Oxford, Parkesburg, West Grove, Honey Brook, Cochranville, Homeville, Landenberg, Kemblesville and Marshallton.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Expected Conditions
At 9:50 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 1.5 inches of rain have fallen. The expected rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. The hazard is flash flooding caused by thunderstorms.
Timeline
The warning is in effect from 9:50 PM EDT June 14 until 2:00 AM EDT June 15.
Original source: NOAA Official Notice ↗
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,122 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 14, 2026.
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