Update: Westfield Under Flash Flood Warning Saturday Afternoon

A flash flood warning covered Union County until 2 p.m. Saturday, July 18, the National Weather Service announced. Multiple rounds of heavy thunderstorms caused flooding throughout the region.

Westfield Police reported two major road closures in response to the flooding. Lamberts Mill Road was closed between Nancy Way and Willow Grove Road. Rahway Avenue northbound also closed during the afternoon as water accumulated on roadways.

Union County Life is reporting on this weather emergency. A flood watch remained in effect for the area through late Saturday night as storms continued to move through the region.

Residents experiencing flooding, service disruptions, or downed power lines should contact the relevant utility immediately.

Do not drive through flooded roadways. Standing water can be deeper than it appears, and moving water can sweep vehicles off the road.

Reporting flooding and service issues:

Comcast/Xfinity: 800-934-6489
Elizabethtown Gas: 800-242-5830
New Jersey American Water: 800-272-1325 or 800-652-6987
PSE&G: 800-436-7734 or report online at nj.myaccount.pseg.com
Verizon: 800-827-4966

Safety reminders: Stay indoors during active thunderstorms and away from windows. If you see downed power lines, report them to PSE&G immediately and stay clear of the area.

For real time weather information, monitor the National Weather Service. Stay informed about weather alerts and public safety news in Westfield and Union County on Union County Life.

FAQ

Q: When was the flash flood warning in effect?
A: The flash flood warning was in effect until 2 p.m. Saturday, July 18, 2026. A flood watch remained in effect through late Saturday night as storms continued to move through the region.

Q: What roads were closed due to flooding in Westfield?
A: Lamberts Mill Road was closed between Nancy Way and Willow Grove Road. Rahway Avenue northbound was also closed during the afternoon due to flooding.

Q: What caused the flooding?
A: Multiple rounds of heavy thunderstorms caused flooding throughout Union County Saturday afternoon, according to the National Weather Service.

Q: How do I report downed power lines or service disruptions?
A: Contact your utility immediately. For PSE&G, call 800-436-7734 or report online at nj.myaccount.pseg.com. For other utilities: Comcast/Xfinity 800-934-6489, Elizabethtown Gas 800-242-5830, New Jersey American Water 800-272-1325 or 800-652-6987, Verizon 800-827-4966.

Q: Is it safe to drive through standing water on flooded roads?
A: No. Do not drive through flooded roadways. Standing water can be deeper than it appears, and moving water can sweep vehicles off the road. Wait for roads to clear before traveling.

Q: What should I do during an active thunderstorm?
A: Stay indoors and away from windows during active thunderstorms. If you see downed power lines, report them to PSE&G immediately and stay clear of the area.