Flood Watch 9, NWS Philadelphia/Mount Holly

New Castle County, DE, Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Gloucester County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA

826 
WGUS61 KPHI 270639
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Mount Holly NJ
239 AM EDT Thu Aug 27 2026

NJZ007-PAZ060>062-272200-
/O.EXA.KPHI.FA.A.0009.260827T1600Z-260828T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Warren-Berks-Lehigh-Northampton-
Including the cities of Allentown, Washington, Bethlehem, Easton,
and Reading
239 AM EDT Thu Aug 27 2026

...FLOOD WATCH IN EFFECT FROM NOON EDT TODAY THROUGH LATE TONIGHT...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of northern New Jersey, including the following 
  county, Warren and east central Pennsylvania, including the 
  following counties, Berks, Lehigh and Northampton.

* WHEN...From noon EDT today through late tonight.

* IMPACTS...Flooding may occur in poor drainage and urban areas. 

* ADDITIONAL DETAILS...
  - Showers and thunderstorms are expected to develop by mid-day
    Thursday. Some of these showers and thunderstorms are
    expected to produce very heavy rainfall. Rainfall totals of
    1-2 inches of rain can be expected with localized amounts of
    3-5 inches possible in the strongest storms. Rainfall rates
    within these thunderstorms may reach up to 1 to 3 inches per
    hour at times.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

DEZ001-NJZ001-008>010-012-013-015-017>019-PAZ070-071-101>106-272200-
/O.CON.KPHI.FA.A.0009.260827T1600Z-260828T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Sussex-Morris-Hunterdon-Somerset-Middlesex-Western
Monmouth-Mercer-Gloucester-Camden-Northwestern Burlington-
Delaware-Philadelphia-Western Chester-Eastern Chester-Western
Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Media, Perkasie, Moorestown, Chalfont,
Morrisville, Camden, Oxford, Mount Holly, Morristown, Norristown,
Wilmington, Trenton, Cherry Hill, Doylestown, Collegeville,
Glassboro, Philadelphia, Somerville, Lansdale, Freehold, Honey
Brook, Pottstown, Newton, West Chester, New Brunswick,
Flemington, and Kennett Square
239 AM EDT Thu Aug 27 2026

...FLOOD WATCH REMAINS IN EFFECT FROM NOON EDT TODAY THROUGH LATE 
TONIGHT...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of northern Delaware, including the following 
  area, New Castle, New Jersey, including the following areas, 
  Camden, Gloucester, Hunterdon, Mercer, Middlesex, Morris, 
  Northwestern Burlington, Somerset, Sussex and Western Monmouth, 
  and southeast Pennsylvania, including the following areas, 
  Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, 
  Philadelphia, Upper Bucks, Western Chester and Western Montgomery.

* WHEN...From noon EDT today through late tonight.

* IMPACTS...Flooding may occur in poor drainage and urban areas. 

* ADDITIONAL DETAILS...
  - Showers and thunderstorms are expected to develop by mid-day
    Thursday. Some of these showers and thunderstorms are
    expected to produce very heavy rainfall. Rainfall totals of
    1-2 inches of rain can be expected with localized amounts of
    3-5 inches possible in the strongest storms. Rainfall rates
    within these thunderstorms may reach up to 1 to 3 inches per
    hour at times.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

217 
WGUS61 KPHI 271426
FFAPHI

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Mount Holly NJ
1026 AM EDT Thu Aug 27 2026

NJZ014-020-022-025>027-280800-
/O.EXA.KPHI.FA.A.0009.260827T1600Z-260828T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Eastern Monmouth-Ocean-Atlantic-Coastal Atlantic-Coastal Ocean-
Southeastern Burlington-
Including the cities of Sandy Hook, Atlantic City, Long Beach
Island, Jackson, Wharton State Forest, and Hammonton
1026 AM EDT Thu Aug 27 2026

...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of central and southern New Jersey, including the 
  following areas, in central New Jersey, Eastern Monmouth. In 
  southern New Jersey, Atlantic, Coastal Atlantic, Coastal Ocean, 
  Ocean and Southeastern Burlington.

* WHEN...Through late tonight.

* IMPACTS...Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS...
  - Showers and thunderstorms are expected to develop by midday
    today. Some of these showers and thunderstorms are expected
    to produce very heavy rainfall. Rainfall totals of 1-2 inches
    of rain can be expected with localized amounts of 3-5 inches
    possible in the strongest storms. Rainfall rates within these
    thunderstorms may reach up to 1-3 inches per hour at times.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

DEZ001-NJZ001-007>010-012-013-015-017>019-PAZ060>062-070-071-101>106-
280800-
/O.CON.KPHI.FA.A.0009.260827T1600Z-260828T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-
Western Monmouth-Mercer-Gloucester-Camden-Northwestern Burlington-
Berks-Lehigh-Northampton-Delaware-Philadelphia-Western Chester-
Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-
Lower Bucks-
Including the cities of Perkasie, Norristown, Freehold, Mount
Holly, Chalfont, Wilmington, Newton, Cherry Hill, West Chester,
Moorestown, Philadelphia, Lansdale, Collegeville, Somerville,
Oxford, New Brunswick, Media, Allentown, Easton, Flemington,
Morristown, Honey Brook, Camden, Doylestown, Kennett Square,
Bethlehem, Trenton, Pottstown, Morrisville, Reading, Glassboro,
and Washington
1026 AM EDT Thu Aug 27 2026

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of northern Delaware, including the following 
  area, New Castle, New Jersey, including the following areas, 
  Camden, Gloucester, Hunterdon, Mercer, Middlesex, Morris, 
  Northwestern Burlington, Somerset, Sussex, Warren and Western 
  Monmouth, and Pennsylvania, including the following areas, Berks, 
  Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower 
  Bucks, Northampton, Philadelphia, Upper Bucks, Western Chester and 
  Western Montgomery.

* WHEN...Through late tonight.

* IMPACTS...Flooding may occur in poor drainage and urban areas. 

* ADDITIONAL DETAILS...
  - Showers and thunderstorms are expected to develop by midday
    today. Some of these showers and thunderstorms are expected
    to produce very heavy rainfall. Rainfall totals of 1-2 inches
    of rain can be expected with localized amounts of 3-5 inches
    possible in the strongest storms. Rainfall rates within these
    thunderstorms may reach up to 1-3 inches per hour at times.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

PHI

428 
WGUS61 KPHI 280252
FFAPHI

Flood Watch
National Weather Service Mount Holly NJ
1052 PM EDT Thu Aug 27 2026

DEZ001-NJZ013-014-017>020-022-025>027-280400-
/O.CAN.KPHI.FA.A.0009.000000T0000Z-260828T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Western Monmouth-Eastern Monmouth-Gloucester-Camden-
Northwestern Burlington-Ocean-Atlantic-Coastal Atlantic-Coastal
Ocean-Southeastern Burlington-
Including the cities of Camden, Cherry Hill, Mount Holly,
Hammonton, Moorestown, Sandy Hook, Atlantic City, Long Beach
Island, Glassboro, Jackson, Wharton State Forest, Wilmington, and
Freehold
1052 PM EDT Thu Aug 27 2026

...FLOOD WATCH IS CANCELLED...

The Flash Flood Watch is cancelled for portions of northern 
Delaware, including the following area, New Castle and New Jersey, 
including the following areas, Atlantic, Camden, Coastal Atlantic, 
Coastal Ocean, Eastern Monmouth, Gloucester, Northwestern 
Burlington, Ocean, Southeastern Burlington and Western Monmouth.

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

$$

NJZ001-007>010-012-015-PAZ060>062-070-071-101>106-280800-
/O.CON.KPHI.FA.A.0009.000000T0000Z-260828T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-Berks-
Lehigh-Northampton-Delaware-Philadelphia-Western Chester-Eastern
Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-Lower
Bucks-
Including the cities of Somerville, Pottstown, Norristown,
Chalfont, Washington, Flemington, Philadelphia, Kennett Square,
Lansdale, West Chester, Newton, Doylestown, New Brunswick,
Reading, Trenton, Honey Brook, Bethlehem, Media, Morrisville,
Easton, Perkasie, Oxford, Collegeville, Allentown, and Morristown
1052 PM EDT Thu Aug 27 2026

...FLOOD WATCH REMAINS IN EFFECT UNTIL 4 AM EDT FRIDAY...

* WHAT...Flash flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of New Jersey, including the following areas, 
  Hunterdon, Mercer, Middlesex, Morris, Somerset, Sussex and Warren 
  and Pennsylvania, including the following areas, Berks, Delaware, 
  Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, 
  Northampton, Philadelphia, Upper Bucks, Western Chester and 
  Western Montgomery.

* WHEN...Until 4 AM EDT Friday.

* IMPACTS...Flooding may occur in poor drainage and urban areas. 

* ADDITIONAL DETAILS...
  - Showers and thunderstorms continue this evening across
    eastern Pennsylvania and northern New Jersey. Rainfall rates
    up to 1 to 2 inches per hour remain possible in these storms
    with already saturated grounds from heavy rain earlier in the
    day.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

MJL

091 
WGUS61 KPHI 280528
FFAPHI

Flood Watch
National Weather Service Mount Holly NJ
128 AM EDT Fri Aug 28 2026

NJZ001-007>010-012-015-PAZ060>062-070-071-101>106-280630-
/O.CAN.KPHI.FA.A.0009.000000T0000Z-260828T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Mercer-Berks-
Lehigh-Northampton-Delaware-Philadelphia-Western Chester-Eastern
Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-Lower
Bucks-
Including the cities of Somerville, Pottstown, Norristown,
Chalfont, Washington, Flemington, Philadelphia, Kennett Square,
Lansdale, West Chester, Newton, Doylestown, New Brunswick,
Reading, Trenton, Honey Brook, Bethlehem, Media, Morrisville,
Easton, Perkasie, Oxford, Collegeville, Allentown, and Morristown
128 AM EDT Fri Aug 28 2026

...FLOOD WATCH IS CANCELLED...

The Flash Flood Watch is cancelled for portions of New Jersey, 
including the following areas, Hunterdon, Mercer, Middlesex, Morris, 
Somerset, Sussex and Warren and Pennsylvania, including the 
following areas, Berks, Delaware, Eastern Chester, Eastern 
Montgomery, Lehigh, Lower Bucks, Northampton, Philadelphia, Upper 
Bucks, Western Chester and Western Montgomery.

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

$$