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Mount Holly, NJ Warnings, Watches and Advisories

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SAFETY and DATA MESSAGE

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Mount Holly.

Use the Radar Maps link provided to understand the trajectory of a storm.

Severe Thunderstorm Watch

Area
Kent, DE; New Castle, DE; Sussex, DE; Caroline, MD; Kent, MD; Queen Anne's, MD; Talbot, MD; Atlantic, NJ; Burlington, NJ; Camden, NJ; Cape May, NJ; Cumberland, NJ; Gloucester, NJ; Hunterdon, NJ; Mercer, NJ; Middlesex, NJ; Monmouth, NJ; Ocean, NJ; Salem, NJ; Somerset, NJ; Warren, NJ; Berks, PA; Bucks, PA; Chester, PA; Delaware, PA; Lehigh, PA; Montgomery, PA; Northampton, PA; Philadelphia, PA
Severe Thunderstorm Watch issued July 9 at 5:33PM EDT until July 10 at 12:00AM EDT by NWS Mount Holly NJ

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 499 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT FOR THE FOLLOWING AREAS IN DELAWARE THIS WATCH INCLUDES 3 COUNTIES IN CENTRAL DELAWARE KENT IN NORTHERN DELAWARE NEW CASTLE IN SOUTHERN DELAWARE SUSSEX IN MARYLAND THIS WATCH INCLUDES 4 COUNTIES IN NORTHEAST MARYLAND CAROLINE KENT QUEEN ANNE'S TALBOT IN NEW JERSEY THIS WATCH INCLUDES 14 COUNTIES IN CENTRAL NEW JERSEY MERCER MONMOUTH IN NORTHERN NEW JERSEY HUNTERDON MIDDLESEX SOMERSET WARREN IN SOUTHERN NEW JERSEY ATLANTIC BURLINGTON CAMDEN CAPE MAY CUMBERLAND GLOUCESTER OCEAN SALEM IN PENNSYLVANIA THIS WATCH INCLUDES 8 COUNTIES IN EAST CENTRAL PENNSYLVANIA BERKS LEHIGH NORTHAMPTON IN SOUTHEAST PENNSYLVANIA BUCKS CHESTER DELAWARE MONTGOMERY PHILADELPHIA THIS INCLUDES THE CITIES OF ALLENTOWN, ATLANTIC CITY, BETHLEHEM, BLAIRSTOWN, CAMDEN, CENTREVILLE, CHERRY HILL, CHESTERTOWN, DENTON, DEPTFORD, DOVER, DOYLESTOWN, EAST BRUNSWICK, EASTON, EASTON, EDISON, FLEMINGTON, FREEHOLD, GEORGETOWN, GLASSBORO, HAMMONTON, MEDIA, MILLVILLE, MOORESTOWN, MOUNT HOLLY, NEW BRUNSWICK, NORRISTOWN, NORTH BRUNSWICK TOWNSHIP, OCEAN CITY, PENNSVILLE, PERTH AMBOY, PHILADELPHIA, READING, SAYREVILLE, SOMERSET, TOMS RIVER, TRENTON, WEST CHESTER, AND WILMINGTON.

Flood Watch

Area
Hunterdon; Somerset; Middlesex; Western Monmouth; Eastern Monmouth; Mercer; Salem; Gloucester; Camden; Northwestern Burlington; Ocean; Cumberland; Atlantic; Cape May; Atlantic Coastal Cape May; Coastal Atlantic; Coastal Ocean; Southeastern Burlington
Flood Watch issued July 9 at 9:29AM EDT until July 10 at 2:00AM EDT by NWS Mount Holly NJ

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central, northern, northwest, and southern New Jersey, including the following areas, in central New Jersey, Eastern Monmouth, Mercer and Western Monmouth. In northern New Jersey, Middlesex and Somerset. In northwest New Jersey, Hunterdon. In southern New Jersey, Atlantic, Atlantic Coastal Cape May, Camden, Cape May, Coastal Atlantic, Coastal Ocean, Cumberland, Gloucester, Northwestern Burlington, Ocean, Salem and Southeastern Burlington. * WHEN...From 5 PM EDT this afternoon through late tonight. * 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... - Another round of showers and thunderstorms are expected late this afternoon and into tonight which could produce heavy rain. With an already saturated surface, it will not take much rainfall to result in flooding. Rainfall rates of around 2 to 3 inches per hour are possible. - http://www.weather.gov/safety/flood

Disclaimer

Currently

Partly Cloudy 87°F
29.93 inHg.
Barometer
57%
Humidity
WSW 12.6 mph
Wind
Partly Cloudy

National Outlook

Severe Storms and Intense Heat Threaten US

Wed Jul 9th 2025, 8:45am PDT
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