Flood Watch
Flood Watch
National Weather Service Baltimore MD/Washington DC
243 PM EDT Wed Jul 30 2025
DCZ001-MDZ004>006-008-011-013-014-016>018-503>508-VAZ053-054-501-502-
505-506-526-527-310300-
/O.NEW.KLWX.FA.A.0031.250731T1800Z-250801T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
District of Columbia-Frederick MD-Carroll-Northern Baltimore-
Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles-St.
Marys-Calvert-Northwest Montgomery-Central and Southeast
Montgomery-Northwest Howard-Central and Southeast Howard-
Northwest Harford-Southeast Harford-Fairfax-Arlington/Falls
Church/Alexandria-Northern Fauquier-Southern Fauquier-Western
Loudoun-Eastern Loudoun-Northwest Prince William-Central and
Southeast Prince William/Manassas/Manassas Park-
243 PM EDT Wed Jul 30 2025
...FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of DC, including the following , District of
Columbia, Maryland, including the following areas, Anne Arundel,
Calvert, Carroll, Cecil, Central and Southeast Howard, Central and
Southeast Montgomery, Charles, Frederick MD, Northern Baltimore,
Northwest Harford, Northwest Howard, Northwest Montgomery, Prince
Georges, Southeast Harford, Southern Baltimore and St. Marys, and
northern Virginia, including the following areas, Arlington/Falls
Church/Alexandria, Central and Southeast Prince
William/Manassas/Manassas Park, Eastern Loudoun, Fairfax, Northern
Fauquier, Northwest Prince William, Southern Fauquier and Western
Loudoun.
* WHEN...From Thursday afternoon through late Thursday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Extensive
street flooding and flooding of creeks and rivers are possible.
* ADDITIONAL DETAILS...
- Significant flash flooding is possible. Numerous showers and
thunderstorms will develop and move across the area Thursday
afternoon into Thursday evening. Thunderstorms will be
capable of producing very heavy rain, with rainfall rates of
1 to 2 inches in 30 minutes. Widespread rainfall amounts of 1
to 2 inches are expected. Some areas could experience
multiple rounds of thunderstorms, with higher rainfall
amounts of 4 to 6 inches possible. This could result in
numerous instances of flash flooding. Showers and
thunderstorms will begin early Thursday afternoon, and the
heaviest rainfall is most likely from 3 PM to 8 PM.
- Please visit www.weather.gov/safety/flood for flood safety
and preparedness information
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
Flood Watch
National Weather Service Baltimore MD/Washington DC
243 PM EDT Wed Jul 30 2025
MDZ003-VAZ027>031-038>040-050-051-055>057-507-WVZ051>053-310300-
/O.NEW.KLWX.FA.A.0031.250731T1800Z-250801T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Washington-Shenandoah-Frederick VA-Page-Warren-Clarke-Greene-
Madison-Rappahannock-Orange-Culpeper-Stafford-Spotsylvania-King
George-Northern Virginia Blue Ridge-Morgan-Berkeley-Jefferson-
243 PM EDT Wed Jul 30 2025
...FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of north central Maryland, including the
following area, Washington, Virginia, including the following
areas, Clarke, Culpeper, Frederick VA, Greene, King George,
Madison, Northern Virginia Blue Ridge, Orange, Page, Rappahannock,
Shenandoah, Spotsylvania, Stafford and Warren, and panhandle West
Virginia, including the following areas, Berkeley, Jefferson and
Morgan.
* WHEN...From Thursday afternoon through late Thursday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- Numerous showers and thunderstorms will develop and move
across the area Thursday afternoon into Thursday evening.
Thunderstorms will be capable of producing very heavy rain,
with rainfall rates of 1 to 2 inches in 30 minutes.
Widespread rainfall amounts of 1 inch are forecast, with up
to 2 to 4 inches of rain under the strongest storms. Some
ares could see multiple rounds of thunderstorms. This could
lead to scattered instances of flash flooding.
- Please visit www.weather.gov/safety/flood for flood safety
and preparedness information
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
KR
Flood Watch
National Weather Service State College PA
219 PM EDT Wed Jul 30 2025
PAZ064>066-310630-
/O.NEW.KCTP.FA.A.0023.250731T1800Z-250801T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adams-York-Lancaster-
Including the cities of York, Lancaster, and Gettysburg
219 PM EDT Wed Jul 30 2025
...FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of central Pennsylvania, including the following
counties, Adams, Lancaster and York.
* WHEN...From Thursday afternoon through late Thursday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- Thunderstorms capable of producing very heavy rainfall rates
in excess of 2 inches per hour may result in flash flooding.
Rainfall amounts of 2 to 3 inches are expected with localized
amounts of up to 5 inches possible.
- 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.
&&
$$
Flood Watch
National Weather Service State College PA
219 PM EDT Wed Jul 30 2025
PAZ028-036-041-042-046-049>053-056>059-063-310630-
/O.NEW.KCTP.FA.A.0023.250731T1800Z-250801T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Juniata-Franklin-Northern Lycoming-Sullivan-Southern Lycoming-
Union-Snyder-Montour-Northumberland-Columbia-Perry-Dauphin-
Schuylkill-Lebanon-Cumberland-
Including the cities of Carlisle, Lebanon, Sunbury, Harrisburg,
Bloomsburg, Newport, Williamsport, Chambersburg, Trout Run,
Pottsville, Laporte, Selinsgrove, Shamokin, Danville, Hershey,
Mifflintown, Lewisburg, and Berwick
219 PM EDT Wed Jul 30 2025
...FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of central Pennsylvania, including the following
areas, Columbia, Cumberland, Dauphin, Franklin, Juniata, Lebanon,
Montour, Northern Lycoming, Northumberland, Perry, Schuylkill,
Snyder, Southern Lycoming, Sullivan and Union.
* WHEN...From Thursday afternoon through late Thursday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Thunderstorms capable of producing very heavy rainfall rates
in excess of 2 inches per hour may result in flash flooding.
Rainfall amounts of 2 to 3 inches are possible.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
Bauco
Flood Watch
National Weather Service Mount Holly NJ
210 PM EDT Wed Jul 30 2025
DEZ001-NJZ009-010-012-013-015>019-027-PAZ070-071-101>106-311000-
/O.NEW.KPHI.FA.A.0010.250731T1800Z-250801T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
New Castle-Hunterdon-Somerset-Middlesex-Western Monmouth-Mercer-
Salem-Gloucester-Camden-Northwestern Burlington-Southeastern
Burlington-Delaware-Philadelphia-Western Chester-Eastern Chester-
Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks-
Including the cities of Moorestown, Pottstown, Trenton,
Pennsville, Perkasie, Doylestown, Honey Brook, Morrisville,
Glassboro, Norristown, Camden, Somerville, Cherry Hill, Mount
Holly, New Brunswick, Lansdale, Media, West Chester, Oxford,
Flemington, Kennett Square, Chalfont, Wilmington, Freehold,
Philadelphia, Collegeville, and Wharton State Forest
210 PM EDT Wed Jul 30 2025
...FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of northern Delaware, including the following
area, New Castle, New Jersey, including the following areas,
Camden, Gloucester, Hunterdon, Mercer, Middlesex, Northwestern
Burlington, Salem, Somerset, Southeastern Burlington 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 Thursday afternoon through late Thursday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas. Storm drains and ditches may
become clogged with debris.
* ADDITIONAL DETAILS...
- A warm and increasingly humid airmass will be in place ahead
of an approaching cold front that will pass through the
region Thursday night. Showers and thunderstorms will be
capable of heavy rain resulting in rainfall amounts of 2 to 4
inches with 6 inches or more in localized areas. Rainfall
rates may exceed 2 inches per hour.
- 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.
&&
$$
Flood Watch
National Weather Service Mount Holly NJ
210 PM EDT Wed Jul 30 2025
DEZ002>004-MDZ012-015-019-020-NJZ001-007-008-014-020>026-PAZ054-055-
060>062-311000-
/O.NEW.KPHI.FA.A.0010.250731T1800Z-250801T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Kent-Inland Sussex-Delaware Beaches-Kent MD-Queen Annes-Talbot-
Caroline-Sussex-Warren-Morris-Eastern Monmouth-Ocean-Cumberland-
Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic-
Coastal Ocean-Carbon-Monroe-Berks-Lehigh-Northampton-
Including the cities of Atlantic City, Millville, Jackson,
Denton, Reading, Centreville, Chestertown, Allentown, Washington,
Bethlehem, Stroudsburg, Long Beach Island, Jim Thorpe, Hammonton,
Ocean City, Morristown, Rehoboth Beach, Newton, Sandy Hook, Cape
May Court House, Dover, Georgetown, and Easton
210 PM EDT Wed Jul 30 2025
...FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of Delaware, including the following areas,
Delaware Beaches, Inland Sussex and Kent, northeast Maryland,
including the following areas, Caroline, Kent MD, Queen Annes and
Talbot, New Jersey, including the following areas, Atlantic,
Atlantic Coastal Cape May, Cape May, Coastal Atlantic, Coastal
Ocean, Cumberland, Eastern Monmouth, Morris, Ocean, Sussex and
Warren, and Pennsylvania, including the following areas, Berks,
Carbon, Lehigh, Monroe and Northampton.
* WHEN...From Thursday afternoon through late Thursday night.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Creeks and streams may rise out of their banks. Flooding may occur
in poor drainage and urban areas. Storm drains and ditches may
become clogged with debris.
* ADDITIONAL DETAILS...
- A warm and increasingly humid airmass will be in place ahead
of an approaching cold front that will pass through the
region Thursday night. Showers and thunderstorms will be
capable of heavy rain resulting in rainfall amounts of 2 to 4
inches. Rainfall rates may exceed 2 inches per hour.
- 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.
&&
$$
MPS
