Morristown, New Jersey

Regional Weather Alerts


     

Alert: Extreme Heat Warning
Area(s): New Castle; Mercer; Gloucester; Camden; Northwestern Burlington; Delaware; Philadelphia; Eastern Montgomery; Lower Bucks
Effective: 2026-07-14 @ 1:38 am -> 2026-07-14 @ 3:00 pm
Onset: 2026-07-15 @ 9:00 am -> 2026-07-15 @ 7:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Mount Holly NJ on 2026-07-14 @ 1:38 am
Headline: Extreme Heat Warning issued July 14 at 2:38AM EDT until July 15 at 8:00PM EDT by NWS Mount Holly NJ
Description: * WHAT...Dangerously hot conditions with heat index values up to 107
degrees expected.

* WHERE...In Delaware, New Castle County. In New Jersey, Mercer,
Camden, Gloucester, and Northwestern Burlington Counties. In
Pennsylvania, Delaware, Eastern Montgomery, Lower Bucks, and
Philadelphia Counties.

* WHEN...From 10 AM to 8 PM EDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

* ADDITIONAL DETAILS...While the hottest conditions are expected to
occur on Wednesday, heat indices will climb into the mid 90s today.

Alert: Heat Advisory
Area(s): Sussex; Warren; Morris; Hunterdon
Effective: 2026-07-14 @ 1:38 am -> 2026-07-14 @ 3:00 pm
Onset: 2026-07-15 @ 9:00 am -> 2026-07-15 @ 7:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Mount Holly NJ on 2026-07-14 @ 1:38 am
Headline: Heat Advisory issued July 14 at 2:38AM EDT until July 15 at 8:00PM EDT by NWS Mount Holly NJ
Description: * WHAT...Heat index values up to 102 degrees expected.

* WHERE...Morris, Sussex, Warren, and Hunterdon Counties.

* WHEN...From 10 AM to 8 PM EDT Wednesday.

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

* ADDITIONAL DETAILS...While the hottest conditions are expected to
occur on Wednesday, heat indices will climb into the mid to upper
90s today.

Alert: Extreme Heat Warning
Area(s): Eastern Monmouth
Effective: 2026-07-14 @ 1:38 am -> 2026-07-14 @ 3:00 pm
Onset: 2026-07-15 @ 9:00 am -> 2026-07-15 @ 7:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Mount Holly NJ on 2026-07-14 @ 1:38 am
Headline: Extreme Heat Warning issued July 14 at 2:38AM EDT until July 15 at 8:00PM EDT by NWS Mount Holly NJ
Description: * WHAT...Dangerously hot conditions with heat index values up to 107
degrees expected.

* WHERE...Eastern Monmouth County.

* WHEN...From 10 AM to 8 PM EDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

* ADDITIONAL DETAILS...While the hottest conditions are expected to
occur on Wednesday, heat indices will climb into the mid to upper
90s today.

Alert: Extreme Heat Warning
Area(s): Somerset; Middlesex; Western Monmouth; Ocean; Southeastern Burlington
Effective: 2026-07-14 @ 1:38 am -> 2026-07-14 @ 3:00 pm
Onset: 2026-07-15 @ 9:00 am -> 2026-07-15 @ 7:00 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Mount Holly NJ on 2026-07-14 @ 1:38 am
Headline: Extreme Heat Warning issued July 14 at 2:38AM EDT until July 15 at 8:00PM EDT by NWS Mount Holly NJ
Description: * WHAT...Dangerously hot conditions with heat index values up to 107
degrees expected.

* WHERE...Western Monmouth, Middlesex, Somerset, Ocean, and
Southeastern Burlington Counties.

* WHEN...From 10 AM to 8 PM EDT Wednesday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.

* ADDITIONAL DETAILS...While the hottest conditions are expected to
occur on Wednesday, heat indices will climb into the mid to upper
90s today.

Alert: Heat Advisory
Area(s): Kent; Inland Sussex; Caroline; Salem; Cumberland; Atlantic; Cape May
Effective: 2026-07-14 @ 1:38 am -> 2026-07-14 @ 3:00 pm
Onset: 2026-07-15 @ 9:00 am -> 2026-07-15 @ 7:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Mount Holly NJ on 2026-07-14 @ 1:38 am
Headline: Heat Advisory issued July 14 at 2:38AM EDT until July 15 at 8:00PM EDT by NWS Mount Holly NJ
Description: * WHAT...Heat index values up to 108 degrees expected.

* WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland,
Caroline County. In New Jersey, Atlantic, Cape May, Cumberland,
and Salem Counties.

* WHEN...From 10 AM to 8 PM EDT Wednesday.

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

Alert: Heat Advisory
Area(s): Atlantic Coastal Cape May; Coastal Atlantic
Effective: 2026-07-14 @ 1:38 am -> 2026-07-14 @ 3:00 pm
Onset: 2026-07-15 @ 9:00 am -> 2026-07-15 @ 7:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Mount Holly NJ on 2026-07-14 @ 1:38 am
Headline: Heat Advisory issued July 14 at 2:38AM EDT until July 15 at 8:00PM EDT by NWS Mount Holly NJ
Description: * WHAT...Heat index values up to 105 degrees expected.

* WHERE...Atlantic Coastal Cape May and Coastal Atlantic Counties.

* WHEN...From 10 AM to 8 PM EDT Wednesday.

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

Alert: Heat Advisory
Area(s): Coastal Ocean
Effective: 2026-07-14 @ 1:38 am -> 2026-07-14 @ 3:00 pm
Onset: 2026-07-15 @ 9:00 am -> 2026-07-15 @ 7:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Mount Holly NJ on 2026-07-14 @ 1:38 am
Headline: Heat Advisory issued July 14 at 2:38AM EDT until July 15 at 8:00PM EDT by NWS Mount Holly NJ
Description: * WHAT...Heat index values up to 104 degrees expected.

* WHERE...Coastal Ocean County.

* WHEN...From 10 AM to 8 PM EDT Wednesday.

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

Alert: Heat Advisory
Area(s): Northern Fairfield; Northern New Haven; Northern Middlesex; Northern New London; Southern Fairfield; Southern New Haven; Western Passaic; Eastern Passaic; Hudson; Western Bergen; Eastern Bergen; Western Essex; Eastern Essex; Western Union; Eastern Union; Orange; Putnam; Rockland; Northern Westchester; Southern Westchester; Northern Nassau; Southern Nassau
Effective: 2026-07-14 @ 1:06 am -> 2026-07-14 @ 3:00 pm
Onset: 2026-07-14 @ 10:00 am -> 2026-07-15 @ 8:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Upton NY on 2026-07-14 @ 1:06 am
Headline: Heat Advisory issued July 14 at 2:06AM EDT until July 15 at 9:00PM EDT by NWS Upton NY
Description: * WHAT...Heat index values up to 101 expected.

* WHERE...Portions of southern Connecticut, northeast New Jersey,
and southeast New York.

* WHEN...From 11 AM this morning to 9 PM EDT Wednesday.

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

Alert: Air Quality Alert
Area(s): Western Monmouth; Eastern Monmouth
Effective: 2026-07-13 @ 2:45 pm -> 2026-07-14 @ 11:00 pm
Onset: 2026-07-13 @ 2:45 pm
Severity: Unknown
Certainty: Unknown
Urgency: Unknown
Issued By: NWS Mount Holly NJ on 2026-07-13 @ 2:45 pm
Headline: Air Quality Alert issued July 13 at 3:45PM EDT by NWS Mount Holly NJ
Description: The New Jersey Department of Environmental Protection has issued
a code orange air quality alert Tuesday for Monmouth County.

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.state.nj.us/dep/

Alert: Air Quality Alert
Area(s): Gloucester; Camden; Northwestern Burlington
Effective: 2026-07-13 @ 2:45 pm -> 2026-07-14 @ 11:00 pm
Onset: 2026-07-13 @ 2:45 pm
Severity: Unknown
Certainty: Unknown
Urgency: Unknown
Issued By: NWS Mount Holly NJ on 2026-07-13 @ 2:45 pm
Headline: Air Quality Alert issued July 13 at 3:45PM EDT by NWS Mount Holly NJ
Description: The New Jersey Department of Environmental Protection has
issued a code orange air quality alert Tuesday for Southwestern
New Jersey.

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.state.nj.us/dep/

Alert: Air Quality Alert
Area(s): Middlesex; Mercer
Effective: 2026-07-13 @ 2:45 pm -> 2026-07-14 @ 11:00 pm
Onset: 2026-07-13 @ 2:45 pm
Severity: Unknown
Certainty: Unknown
Urgency: Unknown
Issued By: NWS Mount Holly NJ on 2026-07-13 @ 2:45 pm
Headline: Air Quality Alert issued July 13 at 3:45PM EDT by NWS Mount Holly NJ
Description: The New Jersey Department of Environmental Protection has issued
a code orange air quality alert Tuesday for Middlesex and Mercer
Counties in New Jersey.

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.state.nj.us/dep/

Alert: Air Quality Alert
Area(s): Ocean; Coastal Ocean; Southeastern Burlington
Effective: 2026-07-13 @ 2:45 pm -> 2026-07-14 @ 11:00 pm
Onset: 2026-07-13 @ 2:45 pm
Severity: Unknown
Certainty: Unknown
Urgency: Unknown
Issued By: NWS Mount Holly NJ on 2026-07-13 @ 2:45 pm
Headline: Air Quality Alert issued July 13 at 3:45PM EDT by NWS Mount Holly NJ
Description: The New Jersey Department of Environmental Protection has issued
a code orange air quality alert Tuesday for Ocean County and
southeastern Burlington County New Jersey.

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.state.nj.us/dep/

Alert: Air Quality Alert
Area(s): Eastern Passaic; Hudson; Western Bergen; Eastern Bergen; Western Essex; Eastern Essex; Western Union; Eastern Union
Effective: 2026-07-13 @ 2:14 pm -> 2026-07-14 @ 10:00 pm
Onset: 2026-07-13 @ 2:14 pm
Severity: Unknown
Certainty: Unknown
Urgency: Unknown
Issued By: NWS Upton NY on 2026-07-13 @ 2:14 pm
Headline: Air Quality Alert issued July 13 at 3:14PM EDT by NWS Upton NY
Description: The New Jersey Department of Environmental Protection has issued an
Air Quality Action Day for the following counties:

Bergen, E Passaic, Hudson, Essex, Union

from 11 AM to 11 PM EDT Tuesday.

An Air Quality Action Day means that Ground Level Ozone within the
region may approach or exceed unhealthy standards.

For additional information, please visit the New Jersey Department
of Environmental Protection Web site at https://dep.nj.gov/airmon