Flood Warning Issued for Bucks, Chester, Montgomery Counties in PA
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A Flood Warning is in effect until 1:15 AM EDT Friday for parts of southeastern Pennsylvania due to excessive rainfall from thunderstorms.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Southeastern Pennsylvania
- Issued
- August 28, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Flood Warning has been issued by the National Weather Service Mount Holly NJ. The alert is effective from August 27 at 9:09 PM EDT until August 28 at 1:15 AM EDT.
Affected Areas
The warning covers Bucks, Chester, and Montgomery counties in southeastern Pennsylvania, including South Central Bucks County, Northern Chester County, and Central Montgomery County. Specific locations that will experience flooding include Norristown, Phoenixville, Lansdale, West Norriton, East Norriton, Coatesville, Downingtown, Hatboro, Ambler, Collegeville, Royersford, and Parkesburg.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Expected Conditions
Flooding caused by excessive rainfall is expected. Between 3 and 4 inches of rain have fallen, with additional rainfall amounts up to 0.5 inches possible. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring.
Timeline
The Flood Warning is in effect until 1:15 AM EDT on August 28.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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 (1,166 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 28, 2026.
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