Air Quality Alert
The Pennsylvania Department of Environmental Protection has
issued a Code ORANGE Air Quality Alert on Thursday for the
Susquehanna Valley.
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.airnow.gov and http://www.aqpartners.state.pa.us.
From: Feb 18, 2026 20:30
Until: Feb 20, 2026 05:00
Air Quality Alert
The New Jersey Department of Environmental Protection has issued a
Code Orange Air Quality Action Day for Fine Particulates, until
midnight EST tonight.
An Air Quality Advisory means that air quality within the region may
approach or exceed unhealthy standards. For more information on
current and forecast concentrations of ground-level ozone and fine
particulates, visit www.airnow.gov or www.state.nj.us/dep/airmon/ or
call the New Jersey Bureau of Air Monitoring at 609-292-0138
From: Feb 18, 2026 14:00
Until: Feb 19, 2026 14:00
Air Quality Alert
The Pennsylvania Department of Environmental Protection has
issued a Code ORANGE Air Quality Alert on Wednesday for the
Susquehanna Valley.
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.airnow.gov and http://www.aqpartners.state.pa.us.
From: Feb 17, 2026 20:30
Until: Feb 19, 2026 05:00
Air Quality Alert
The Pennsylvania Department of Environmental Protection has
issued a code orange air quality alert Wednesday for The Lehigh
Valley/Berks County 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.depweb.state.pa.us
From: Feb 17, 2026 20:45
Until: Feb 19, 2026 05:00
Air Quality Alert
The Delaware Valley Regional Planning Commission has issued a
code orange air quality alert Wednesday 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/
From: Feb 17, 2026 20:45
Until: Feb 19, 2026 05:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Anne Arundel, Central and Southeast Howard, Northwest
Howard, Carroll, Cecil, Northern Baltimore, Northwest Harford,
Southeast Harford, and Southern Baltimore Counties.
* WHEN...Until 10 AM EST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Feb 18, 2026 11:23
Until: Feb 18, 2026 15:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog. Patchy
ice.
* WHERE...Portions of northern Delaware, northeast Maryland,
central, northern, northwest, and southern New Jersey, and east
central, northeast, and southeast Pennsylvania.
* WHEN...Until 10 AM EST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
Patchy freezing fog could result in icy roads.
From: Feb 18, 2026 12:19
Until: Feb 18, 2026 15:00
Dense Fog Advisory
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Cecil, Northern Baltimore, Northwest Harford, Southeast
Harford, and Southern Baltimore Counties.
* WHEN...Until 10 AM EST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Feb 18, 2026 05:51
Until: Feb 18, 2026 14:00
Dense Fog Advisory
* WHAT...Visibility one quarter to one half mile in dense fog.
* WHERE...Portions of Delaware, northeast Maryland, New Jersey, and
southeast Pennsylvania.
* WHEN...From 10 PM this evening to 10 AM EST Wednesday.
* IMPACTS...Low visibility could make driving conditions hazardous.
From: Feb 17, 2026 18:15
Until: Feb 18, 2026 11:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 3 below.
* WHERE...Portions of central and northern Delaware, northeast
Maryland, and central and southern New Jersey.
* WHEN...Until 10 AM EST this morning.
From: Feb 02, 2026 06:58
Until: Feb 02, 2026 15:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 6 below.
* WHERE...Portions of central, northern, and northwest New Jersey
and southeast Pennsylvania.
* WHEN...Until 10 AM EST this morning.
* IMPACTS...The cold wind chills as low as 5 below zero could result
in hypothermia if precautions are not taken.
From: Feb 02, 2026 06:58
Until: Feb 02, 2026 15:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 5 below expected.
* WHERE...Portions of central, northern, and northwest New Jersey
and southeast Pennsylvania.
* WHEN...From 10 PM this evening to 10 AM EST Monday.
* IMPACTS...The cold wind chills as low as 5 below zero could result
in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures.
From: Feb 01, 2026 22:58
Until: Feb 02, 2026 12:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 5 below expected.
* WHERE...Portions of central and northern Delaware, northeast
Maryland, and central and southern New Jersey.
* WHEN...From 10 PM this evening to 10 AM EST Monday.
* IMPACTS...The cold wind chills as low as 5 below zero could result
in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures.
From: Feb 01, 2026 22:58
Until: Feb 02, 2026 12:00
Cold Weather Advisory
* WHAT...Very cold wind chills of 0 to 10 below.
* WHERE...Washington DC, and portions of central, northeast,
northern, and southern Maryland, and central, northern, and
northwest Virginia.
* WHEN...From 10 PM this evening to 1 PM EST Sunday.
* IMPACTS...The cold weather could result in hypothermia or
frostbite if precautions are not taken.
From: Jan 31, 2026 14:47
Until: Jan 31, 2026 23:00
Cold Weather Advisory
* WHAT...For the Cold Weather Advisories, very cold wind chills as
low as 16 below.
* WHERE...A portion of central Pennsylvania.
* WHEN...For the first Cold Weather Advisory, until 11 AM EST this
morning. For the second Cold Weather Advisory, from 7 PM this
evening to 10 AM EST Sunday.
* IMPACTS...The cold wind chills as low as 16 below zero could
result in hypothermia or frostbite if precautions are not taken.
From: Jan 31, 2026 09:32
Until: Jan 31, 2026 21:45
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 15 below.
* WHERE...Portions of central, northern, and northwest New Jersey
and east central and southeast Pennsylvania.
* WHEN...Until 10 AM EST Sunday.
* IMPACTS...The cold wind chills as low as 15 below zero could
result in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures.
From: Jan 31, 2026 06:55
Until: Jan 31, 2026 20:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 10 below.
* WHERE...Portions of central and northern Delaware, northeast
Maryland, central and southern New Jersey, and southeast
Pennsylvania.
* WHEN...Until 10 AM EST Sunday.
* IMPACTS...The cold wind chills as low as 10 below zero could
result in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures.
From: Jan 31, 2026 06:55
Until: Jan 31, 2026 20:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 10 below expected.
* WHERE...Portions of central, northern, and southern Delaware,
northeast Maryland, central, northern, northwest, and southern New
Jersey, and east central and southeast Pennsylvania.
* WHEN...Until 10 AM EST Saturday.
* IMPACTS...The cold wind chills as low as 10 below zero could
result in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures.
From: Jan 30, 2026 05:28
Until: Jan 30, 2026 18:30
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 15 below.
* WHERE...A portion of south central Pennsylvania.
* WHEN...For the first Cold Weather Advisory, until 10 AM EST this
morning. For the second Cold Weather Advisory, from 7 PM this
evening to 10 AM EST Saturday.
* IMPACTS...The cold wind chills as low as 15 below zero could
result in frostbite on exposed skin in 30 to 60 minutes.
From: Jan 30, 2026 06:08
Until: Jan 30, 2026 18:15
Cold Weather Advisory
* WHAT...For the first Cold Weather Advisory, very cold wind chills
as low as 9 below. For the second Cold Weather Advisory, very cold
wind chills as low as 8 below expected.
* WHERE...Portions of DC, central, northeast, northern, and southern
Maryland, and northern Virginia.
* WHEN...For the first Cold Weather Advisory, until 11 AM EST this
morning. For the second Cold Weather Advisory, from 8 PM this
evening to 11 AM EST Saturday.
* IMPACTS...The cold wind chills as low as 10 below zero could
result in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures. Wind chill values can lead to hypothermia with
prolonged exposure.
* ADDITIONAL DETAILS...Additional Cold Weather Headlines are
expected at times through the end of the week as the region
remains in an Arctic airmass.
From: Jan 30, 2026 05:35
Until: Jan 30, 2026 13:45
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 15 below expected.
* WHERE...A portion of central Pennsylvania.
* WHEN...From 7 PM this evening to 10 AM EST Wednesday.
* IMPACTS...The cold wind chills could result in hypothermia or
frostbite if precautions are not taken.
From: Jan 27, 2026 20:09
Until: Jan 28, 2026 15:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 8 below.
* WHERE...Portions of Delaware, northeast Maryland, southern New
Jersey, and southeast Pennsylvania.
* WHEN...Until 10 AM EST Wednesday.
* IMPACTS...The cold wind chills as low as 10 below zero could
result in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures.
From: Jan 27, 2026 17:25
Until: Jan 28, 2026 11:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 10 below.
* WHERE...Portions of northern New Jersey and southeast Pennsylvania.
* WHEN...Until 10 AM EST Wednesday.
* IMPACTS...The cold wind chills as low as 15 below zero could
result in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures.
From: Jan 27, 2026 17:25
Until: Jan 28, 2026 11:00
Cold Weather Advisory
...THE COLD WEATHER ADVISORY FOR THIS MORNING HAS EXPIRED...
* WHAT...Very cold wind chills as low as 15 below zero expected
again tonight and early Wednesday.
* WHERE...A portion of central Pennsylvania.
* WHEN...From 7 PM this evening to 10 AM EST Wednesday.
* IMPACTS...The cold wind chills 10 to 15 below zero could result in
hypothermia or frostbite if precautions are not taken.
From: Jan 27, 2026 15:26
Until: Jan 28, 2026 03:30
Cold Weather Advisory
* WHAT...Very cold wind chills between 0 and 8 below expected.
* WHERE...Washington DC, and portions of central, northeast,
northern, and southern Maryland, and central, northern, and
western Virginia.
* WHEN...From 7 PM this evening to 11 AM EST Wednesday.
* IMPACTS...The cold wind chills could result in hypothermia if
precautions are not taken. Frostbite will occur if unprotected
skin is exposed to these temperatures.
* ADDITIONAL DETAILS...Additional Cold Weather Headlines are
expected at times through the end of the week as the region
remains in an Arctic Airmass.
From: Jan 27, 2026 19:06
Until: Jan 28, 2026 03:15
Cold Weather Advisory
* WHAT...For Cold Weather Advisory, very cold wind chills as low as
3 to 9 below zero expected.
* WHERE...Portions of DC, central, northeast, northern, and southern
Maryland, and central and northern Virginia.
* WHEN...From 7 PM this evening to 11 AM EST Wednesday.
* IMPACTS...The cold wind chills as low as 10 below zero could
result in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures. Wind chill values can lead to hypothermia with
prolonged exposure.
* ADDITIONAL DETAILS...Additional Cold Weather Headlines are
expected at times through the end of the week as the region
remains in an Arctic Airmass.
From: Jan 27, 2026 16:03
Until: Jan 28, 2026 00:15
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 15 below expected.
* WHERE...A portion of central Pennsylvania.
* WHEN...From 7 PM this evening to 10 AM EST Tuesday.
* IMPACTS...The dangerously cold wind chills as low as 15 below zero
could result in hypothermia or frostbite if precautions are not
taken.
From: Jan 26, 2026 07:14
Until: Jan 27, 2026 15:00
Cold Weather Advisory
* WHAT...Very cold wind chills between 0 and 10 degrees below zero.
* WHERE...Portions of central, northern, and southern Delaware,
northeast Maryland, central and southern New Jersey, and southeast
Pennsylvania.
* WHEN...From 7 PM this evening to 10 AM EST Wednesday.
* IMPACTS...The cold wind chills as low as 10 below zero could
result in hypothermia if precautions are not taken.
* ADDITIONAL DETAILS...Extensions to the Cold Weather Advisory are
expected and could be upgraded to an Extreme Cold Warning for
Wednesday night and/or Thursday Night. Wind chills below zero at
night are likely to continue into the weekend.
From: Jan 26, 2026 06:16
Until: Jan 26, 2026 21:15
Cold Weather Advisory
* WHAT...Very cold wind chills as between 5 and 10 degrees below
zero expected.
* WHERE...Portions of central, northern, and northwest New Jersey
and east central and southeast Pennsylvania.
* WHEN...From 7 PM this evening to 10 AM EST Wednesday.
* IMPACTS...The cold wind chills as low as 10 below zero could
result in hypothermia if precautions are not taken.
* ADDITIONAL DETAILS...Extensions to the Cold Weather Advisory are
expected and could be upgraded to an Extreme Cold Warning for
Wednesday night and/or Thursday Night. Wind chills below zero and
even 10 below zero at night are likely to continue into the
weekend.
From: Jan 26, 2026 06:16
Until: Jan 26, 2026 21:15
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 5 to 8 below zero expected.
* WHERE...DC and portions of central, northeast, northern, and
southern Maryland, and central, northern, and northwest Virginia.
* WHEN...From 7 PM this evening to 11 AM EST Tuesday.
* IMPACTS...The cold wind chills as low as 5 to 8 below zero could
result in hypothermia if precautions are not taken.
* ADDITIONAL DETAILS...Additional Cold Weather Headlines are
expected at times through the end of the week as the region
remains in an Arctic Airmass.
From: Jan 26, 2026 12:29
Until: Jan 26, 2026 20:30
Winter Storm Warning
* WHAT...Heavy snow with mixed precipitation expected. Total snow
and sleet accumulations between 6 and 10 inches and ice
accumulations around one tenth of an inch.
* WHERE...Portions of central, northern, northwest, and southern New
Jersey and southeast Pennsylvania.
* WHEN...From 2 AM Sunday to 1 PM EST Monday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Monday morning commute.
* ADDITIONAL DETAILS...Snowfall rates of 1 to 2 inches per hour
Sunday morning into early Sunday afternoon. The snow will mix with
and change to sleet and areas of freezing rain Sunday afternoon
into Sunday evening.
From: Jan 25, 2026 07:00
Until: Jan 26, 2026 18:00
Winter Storm Warning
* WHAT...Heavy snow expected. Total snow accumulations between 10
and 18 inches.
* WHERE...A portion of central Pennsylvania.
* WHEN...From 10 PM Saturday to 1 PM EST Monday.
* IMPACTS...Travel could be very difficult to impossible. Widespread
and prolonged travel disruptions are expected.
* ADDITIONAL DETAILS...Snow will overspread the area late Saturday
evening into Saturday night, becoming heavy at times through
Sunday with accumulation rates of one to two inches per hour at
times. Snow may mix with sleet or freezing rain near and south of
the Pennsylvania Turnpike on Sunday afternoon, which may cut down
on total snow accumulations. Frigid temperatures and wind chills
are expected before, during, and after the winter storm. Some
blowing and drifting snow is possible.
From: Jan 24, 2026 04:28
Until: Jan 24, 2026 18:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 6 below.
* WHERE...Portions of central, northern, and southern Delaware,
northeast Maryland, central, northern, and southern New Jersey,
and southeast Pennsylvania.
* WHEN...Until 10 AM EST this morning.
* IMPACTS...The cold wind chills as low as 6 below zero could result
in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures. Wind chill values can lead to hypothermia with
prolonged exposure.
From: Jan 24, 2026 06:17
Until: Jan 24, 2026 15:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 10 below expected.
* WHERE...Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon,
Perry, Schuylkill, and York Counties.
* WHEN...Until 10 AM EST Saturday.
* IMPACTS...The cold wind chills could result in frostbite and
hypothermia if precautions are not taken.
From: Jan 24, 2026 04:21
Until: Jan 24, 2026 15:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 13 below.
* WHERE...Portions of central, northern, and northwest New Jersey
and east central and southeast Pennsylvania.
* WHEN...Until 10 AM EST this morning.
* IMPACTS...The cold wind chills as low as 13 below zero could
result in hypothermia if precautions are not taken. Frostbite and
hypothermia will occur if unprotected skin is exposed to these
temperatures. Wind chill values can lead to hypothermia with
prolonged exposure.
From: Jan 24, 2026 06:17
Until: Jan 24, 2026 15:00
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 9 below expected.
* WHERE...Portions of DC, central, northeast, and northern Maryland,
and central, northern, northwest, and western Virginia.
* WHEN...Until 10 AM EST Saturday.
* IMPACTS...Wind chill values can lead to hypothermia with prolonged
exposure.
From: Jan 24, 2026 03:27
Until: Jan 24, 2026 11:30
Winter Storm Warning
* WHAT...Heavy snow and mixed precipitation expected. Total snow
accumulations between 8 and 12 inches and ice accumulations around
three tenths of an inch.
* WHERE...Portions of central and northern Delaware, northeast
Maryland, southern New Jersey, and southeast Pennsylvania.
* WHEN...From 7 PM Saturday to 1 PM EST Monday.
* IMPACTS...Significant ice accumulation on power lines and tree
limbs may cause widespread and long-lasting power outages. Power
outages and tree damage are likely due to the ice. Travel could be
nearly impossible. The hazardous conditions could impact the
Monday morning commute.
From: Jan 23, 2026 17:38
Until: Jan 24, 2026 11:00
Winter Storm Warning
* WHAT...Heavy snow expected. Total snow accumulations between 12
and 18 inches and ice accumulations around a light glaze.
* WHERE...Portions of northern New Jersey and southeast Pennsylvania.
* WHEN...From 1 AM Sunday to 1 PM EST Monday.
* IMPACTS...The strong winds and weight of snow on tree limbs may
down power lines and could cause sporadic power outages. Travel
could be very difficult to impossible. The hazardous conditions
could impact the Monday morning commute.
From: Jan 23, 2026 17:38
Until: Jan 24, 2026 11:00
Winter Storm Warning
* WHAT...Heavy snow with mixed precipitation expected. Total snow
accumulations between 10 and 15 inches and ice accumulations
around one tenth of an inch.
* WHERE...Portions of New Jersey and southeast Pennsylvania.
* WHEN...From 7 PM Saturday to 1 PM EST Monday.
* IMPACTS...Travel could be very difficult to impossible. The
hazardous conditions could impact the Monday morning commute.
From: Jan 23, 2026 17:38
Until: Jan 24, 2026 11:00
Winter Storm Warning
...MAJOR WINTER STORM WILL IMPACT THE REGION SATURDAY EVENING
THROUGH SUNDAY EVENING...
.A large area of precipitation will overrun Arctic air in place over
the Mid-Atlantic. This will lead to widespread significant snow
beginning Saturday evening, with the potential for ice Sunday
especially south of Highway 50 and near and east of Interstate 95.
In addition to the high threat for significant snow and ice, very
cold temperatures are expected tonight through the middle of next
week with sub-zero wind chills likely at times.
* WHAT...Heavy mixed precipitation expected. Total snow and sleet
accumulations between 7 and 14 inches, with highest in the far
northern and western suburbs of Washington and Baltimore. Ice
accumulations between one and two tenths of an inch.
* WHERE...Portions of DC, central, northeast, and northern Maryland,
and northern Virginia.
* WHEN...From 11 PM Saturday to 4 AM EST Monday.
* IMPACTS...Power outages and tree damage are likely due to the ice.
Travel could be nearly impossible. The hazardous conditions could
impact the Monday morning commute.
* ADDITIONAL DETAILS...Snow will likely overspread the area Saturday
night, becoming heavy at times with rates of one to two inches per
hour possible at times. A mix with sleet or freezing rain is
expected Sunday. Significant icing is possible especially south of
Highway 50. Visibility of one-quarter mile or less is possible at
times. A prolonged period of wind chills in the teens and single
digits is likely beginning this evening and lasting through the
middle of next week, with sub-zero wind chills possible at times.
From: Jan 23, 2026 22:16
Until: Jan 24, 2026 10:30
Cold Weather Advisory
* WHAT...Very cold wind chills as low as 10 below expected.
* WHERE...Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon,
Perry, Schuylkill, and York Counties.
* WHEN...From 10 PM this evening to 10 AM EST Saturday.
* IMPACTS...The cold wind chills could result in frostbite and
hypothermia if precautions are not taken.
From: Jan 23, 2026 19:37
Until: Jan 24, 2026 09:15
Winter Storm Warning
...MAJOR WINTER STORM THIS WEEKEND...
* WHAT...Heavy snow expected. Total snow accumulations between 10
and 18 inches.
* WHERE...A portion of south central Pennsylvania.
* WHEN...From 10 PM Saturday to 1 PM EST Monday.
* IMPACTS...Travel could be very difficult to impossible. Widespread
and prolonged travel disruptions are expected.
* ADDITIONAL DETAILS...Snow will overspread the area late Saturday
evening into Saturday night, becoming heavy at times through
Sunday with accumulation rates of one to two inches per hour at
times. Snow may mix with sleet or freezing rain near and south of
the Pennsylvania Turnpike on Sunday afternoon, which may cut down
on total snow accumulations. Frigid temperatures and wind chills
are expected before, during, and after the winter storm. Some
blowing and drifting snow is possible.
From: Jan 23, 2026 15:20
Until: Jan 24, 2026 09:15
