Flash Flood Warning for Southeastern Bucks and Montgomery Counties, PA

Source: NOAA · Southeastern Pennsylvania

This alert is no longer in effect.

NOAA issued it on August 5, 2026, 2 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 has issued a Flash Flood Warning for southeastern Bucks and Montgomery counties in Pennsylvania until 6:15 PM EDT.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Southeastern Pennsylvania
Issued
August 5, 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 2 weeks ago; use the issuing agency's live warning service for current conditions in Southeastern Pennsylvania.

Alert Details

Flash Flood Warning issued by NWS Mount Holly NJ. Effective from August 5, 2026 at 2:17 PM EDT until August 5, 2026 at 6:15 PM EDT.

Affected Areas

Southeastern Bucks County and southeastern Montgomery County in southeastern Pennsylvania. Locations that may experience flash flooding include Philadelphia, Lansdale, East Norriton, Doylestown, Hatboro, Ambler, Chalfont, New Hope, Yardley, Newtown, Abington and Langhorne. Highways include Northeast Extension between mile markers 21 and 28 and Pennsylvania Turnpike between mile markers 333 and 349.

What You Should Do

Turn around, don't drown when encountering flooded roads. Be aware of your surroundings and do not drive on flooded roads. In hilly terrain, do not attempt to cross flooded roads; find an alternate route.

Expected Conditions

Doppler radar indicated heavy rain beginning to move into the warned area with an expected rainfall rate of 0.5 to 1 inch in 30 minutes. Rainfall amounts up to 2 inches are possible. Flash flooding is ongoing or expected to begin shortly.

Timeline

The warning is in effect from 2:17 PM EDT to 6:15 PM EDT on August 5, 2026.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Mount Holly has issued a Flash Flood Warning for southeastern Bucks and Montgomery counties in Pennsylvania until 6:15 PM EDT.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southeastern Pennsylvania. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.