Philadelphia, Pennsylvania

Regional Weather Alerts


     

Alert: Flood Watch
Area(s): Columbiana; Mercer; Lawrence; Butler; Beaver; Allegheny; Armstrong; Washington; Westmoreland; Westmoreland Ridges; Fayette; Fayette Ridges; Indiana; Higher Elevations of Indiana; Hancock; Brooke; Ohio
Effective: 2026-07-05 @ 1:46 pm -> 2026-07-05 @ 9:00 pm
Onset: 2026-07-05 @ 2:00 pm -> 2026-07-05 @ 9:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Pittsburgh PA on 2026-07-05 @ 1:46 pm
Headline: Flood Watch issued July 5 at 2:46PM EDT until July 5 at 10:00PM EDT by NWS Pittsburgh PA
Description: * WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of east central Ohio, including the following
area, Columbiana, Pennsylvania, including the following areas,
Allegheny, Armstrong, Beaver, Butler, Fayette, Higher Elevations of
Fayette, Higher Elevations of Indiana, Higher Elevations of
Westmoreland, Indiana, Lawrence, Mercer, Washington and
Westmoreland, and West Virginia, including the following areas,
Brooke, Hancock and Ohio.

* WHEN...Until 10 PM EDT this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
- Heavy rainfall from passing thunderstorms.
- Some locations that may experience flooding include...
Pittsburgh, Penn Hills, Mount Lebanon, Bethel Park, Ross
Township, Wheeling, McCandless Township, Monroeville, Cranberry,
Moon Township, New Castle, McMurray, Greensburg, Weirton,
McKeesport, Hermitage, Sharon, Indiana and Butler.
- http://www.weather.gov/safety/flood

Alert: Flood Watch
Area(s): Venango; Clarion; Jefferson; Greene
Effective: 2026-07-05 @ 1:46 pm -> 2026-07-05 @ 9:00 pm
Onset: 2026-07-05 @ 2:00 pm -> 2026-07-05 @ 9:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Pittsburgh PA on 2026-07-05 @ 1:46 pm
Headline: Flood Watch issued July 5 at 2:46PM EDT until July 5 at 10:00PM EDT by NWS Pittsburgh PA
Description: * WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Portions of northwest, southwest, and western Pennsylvania,
including the following areas, in northwest Pennsylvania, Jefferson
PA and Venango. In southwest Pennsylvania, Greene. In western
Pennsylvania, Clarion.

* WHEN...Until 10 PM EDT this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS...
- Heavy rainfall from passing thunderstorms.
- Some locations that may experience flooding include...
Oil City, Franklin, Punxsutawney, Clarion, Waynesburg,
Brookville, Knox, Rimersburg, Sugarcreek, Reynoldsville,
Brockway, New Bethlehem and Jefferson Boro.
- http://www.weather.gov/safety/flood

Alert: Special Weather Statement
Area(s): Clearfield; Northern Centre; Southern Centre; Cambria; Blair; Huntingdon
Effective: 2026-07-05 @ 1:46 pm -> 2026-07-05 @ 2:15 pm
Onset: 2026-07-05 @ 1:46 pm
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS State College PA on 2026-07-05 @ 1:46 pm
Headline: Special Weather Statement issued July 5 at 2:46PM EDT by NWS State College PA
Description: At 246 PM EDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Ebensburg to Tyrone. Movement was
northeast at 15 mph.

HAZARD...Wind gusts of 50 to 55 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.

Locations impacted include...
Tyrone, Bald Eagle, Bellwood, Warriors Mark, Patton, Tipton,
Blandburg, Birmingham, Franklinville, Prince Gallitzin State Park,
Chest Springs, and Delgrosso's Amusement Park.

Alert: Severe Thunderstorm Warning
Area(s): Lawrence, PA
Effective: 2026-07-05 @ 1:43 pm -> 2026-07-05 @ 2:00 pm
Onset: 2026-07-05 @ 1:43 pm -> 2026-07-05 @ 2:00 pm
Severity: Severe
Certainty: Observed
Urgency: Immediate
Issued By: NWS Pittsburgh PA on 2026-07-05 @ 1:43 pm
Headline: Severe Thunderstorm Warning issued July 5 at 2:43PM EDT until July 5 at 3:00PM EDT by NWS Pittsburgh PA
Description: At 243 PM EDT, a severe thunderstorm was located near New Castle,
moving southeast at 45 mph.

HAZARD...70 mph wind gusts and small hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.

Locations impacted include...
New Castle, Ellwood City, Oakwood, New Castle Northwest, New
Beaver, Bessemer, New Bedford, Wampum, South New Castle and
S.n.p.j.

Alert: Flash Flood Warning
Area(s): Armstrong, PA; Butler, PA; Lawrence, PA; Mercer, PA; Venango, PA
Effective: 2026-07-05 @ 1:35 pm -> 2026-07-05 @ 5:30 pm
Onset: 2026-07-05 @ 1:35 pm -> 2026-07-05 @ 5:30 pm
Severity: Severe
Certainty: Likely
Urgency: Immediate
Issued By: NWS Pittsburgh PA on 2026-07-05 @ 1:35 pm
Headline: Flash Flood Warning issued July 5 at 2:35PM EDT until July 5 at 6:30PM EDT by NWS Pittsburgh PA
Description: FFWPBZ

The National Weather Service in Pittsburgh has issued a

* Flash Flood Warning for...
Southern Mercer County in northwestern Pennsylvania...
Southwestern Venango County in northwestern Pennsylvania...
West Central Armstrong County in west central Pennsylvania...
Butler County in west central Pennsylvania...
Lawrence County in western Pennsylvania...

* Until 630 PM EDT.

* At 235 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. The expected rainfall rate is 3
to 4 inches in 1 hour. Flash flooding is expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include...
New Castle, Hermitage, Sharon, Butler, Grove City, Sharpsville,
Ellwood City, Homeacre-Lyndora, Farrell, Shanor-Northvue, Meridian,
Slippery Rock, Meadowood, New Wilmington, Oak Hills, Oakwood, New
Castle Northwest, Mercer and New Beaver.

Alert: Flood Watch
Area(s): New Castle; Sussex; Warren; Morris; Hunterdon; Somerset; Middlesex; Western Monmouth; Mercer; Salem; Gloucester; Camden; Northwestern Burlington; Carbon; Monroe; Berks; Lehigh; Northampton; Delaware; Philadelphia; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Upper Bucks; Lower Bucks
Effective: 2026-07-05 @ 11:09 am -> 2026-07-05 @ 11:15 pm
Onset: 2026-07-05 @ 1:00 pm -> 2026-07-06 @ 7:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Mount Holly NJ on 2026-07-05 @ 11:09 am
Headline: Flood Watch issued July 5 at 12:09PM EDT until July 6 at 8:00PM EDT by NWS Mount Holly NJ
Description: * 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, Salem, Somerset, Sussex, Warren and
Western Monmouth, and Pennsylvania, including the following areas,
Berks, Carbon, Delaware, Eastern Chester, Eastern Montgomery,
Lehigh, Lower Bucks, Monroe, Northampton, Philadelphia, Upper
Bucks, Western Chester and Western Montgomery.

* WHEN...Through Monday evening.

* IMPACTS...Excessive runoff may result in flooding of 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.

* ADDITIONAL DETAILS...
- Multiple rounds of heavy showers and thunderstorms are
expected to impact the area this afternoon through Monday.
Rain amounts of over 2 inches in an hour will be possible
leading to areas of flash flooding.
- http://www.weather.gov/safety/flood

Alert: Heat Advisory
Area(s): Warren; Morris; Hunterdon; Somerset; Middlesex; Mercer; Berks; Lehigh; Northampton; Delaware; Philadelphia; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Upper Bucks; Lower Bucks
Effective: 2026-07-05 @ 11:08 am -> 2026-07-05 @ 7:00 pm
Onset: 2026-07-05 @ 11:08 am -> 2026-07-05 @ 7:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Mount Holly NJ on 2026-07-05 @ 11:08 am
Headline: Heat Advisory issued July 5 at 12:08PM EDT until July 5 at 8:00PM EDT by NWS Mount Holly NJ
Description: * WHAT...Heat index values of 95 to 100 expected.

* WHERE...Portions of central, northern, and northwest New Jersey
and east central and southeast Pennsylvania.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

* ADDITIONAL DETAILS...Temperatures and heat indices will not be
quite as high today as they have been the past couple days.
However impacts are still expected especially given the long
duration of high temperatures and humidity.

Alert: Flood Watch
Area(s): Sullivan; Bradford; Susquehanna; Northern Wayne; Wyoming; Lackawanna; Luzerne; Pike; Southern Wayne
Effective: 2026-07-05 @ 10:32 am -> 2026-07-05 @ 6:45 pm
Onset: 2026-07-05 @ 3:00 pm -> 2026-07-07 @ 7:00 am
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Binghamton NY on 2026-07-05 @ 10:32 am
Headline: Flood Watch issued July 5 at 11:32AM EDT until July 7 at 8:00AM EDT by NWS Binghamton NY
Description: * WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Portions of central New York, including the following
area, Sullivan and northeast Pennsylvania, including the following
areas, Bradford, Lackawanna, Luzerne, Northern Wayne, Pike,
Southern Wayne, Susquehanna and Wyoming.

* WHEN...From 4 PM EDT this afternoon through Tuesday morning.

* 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.

* ADDITIONAL DETAILS...
- https://www.weather.gov/safety/flood

Alert: Flood Watch
Area(s): Southern Centre; Huntingdon; Mifflin; Juniata; Franklin; Southern Clinton; Southern Lycoming; Union; Snyder; Montour; Northumberland; Columbia; Perry; Dauphin; Schuylkill; Lebanon; Cumberland; Adams; York; Lancaster
Effective: 2026-07-05 @ 2:17 am -> 2026-07-05 @ 6:15 pm
Onset: 2026-07-05 @ 1:00 pm -> 2026-07-06 @ 7:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS State College PA on 2026-07-05 @ 2:17 am
Headline: Flood Watch issued July 5 at 3:17AM EDT until July 6 at 8:00PM EDT by NWS State College PA
Description: * WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...A portion of central Pennsylvania, including the following
areas, Adams, Columbia, Cumberland, Dauphin, Franklin, Huntingdon,
Juniata, Lancaster, Lebanon, Mifflin, Montour, Northumberland,
Perry, Schuylkill, Snyder, Southern Centre, Southern Clinton,
Southern Lycoming, Union and York.

* WHEN...From 2 PM EDT this afternoon through Monday evening.

* 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.

* ADDITIONAL DETAILS...
- Multiple rounds of slow moving thunderstorms are expected
with torrential downpours and intense rain rates over 2
inches per hour possible. Localized rainfall totals could
exceed 5 inches. While there remains some uncertainty to
exactly where the greatest rainfall will occur, the setup
favors some locally significant flash flooding.
- http://www.weather.gov/safety/flood

Alert: Air Quality Alert
Area(s): Delaware; Philadelphia; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Upper Bucks; Lower Bucks
Effective: 2026-07-04 @ 2:45 pm -> 2026-07-05 @ 11:00 pm
Onset: 2026-07-04 @ 2:45 pm
Severity: Unknown
Certainty: Unknown
Urgency: Unknown
Issued By: NWS Mount Holly NJ on 2026-07-04 @ 2:45 pm
Headline: Air Quality Alert issued July 4 at 3:45PM EDT by NWS Mount Holly NJ
Description: The Delaware Valley Regional Planning Commission has issued
a code orange air quality alert Sunday for The Philadelphia
Metro area.

A code orange air quality alert means that air pollution
concentrations within the region may become unhealthy for
sensitive groups. Sensitive groups include children...people
suffering from asthma... heart disease or other lung
diseases...and the elderly. The effects of air pollution can
be minimized by avoiding strenuous activity or exercise outdoors.

For more information on ground-level ozone and fine
particles...visit http://www.phila.gov/health/units/ams/