Alert archive / New Jersey / Flash Flood Warnings / 2026

Flash Flood Warnings in New Jersey, July 2026

57 flash flood warnings in July 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of flash flood warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in July 2026. Tap one for its archive.

Flash Flood Warnings
57
Busiest day
July 6, 20269 flash flood warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jul 5, 7:30 PM EDTFlash Flood WarningPHIBurlington, Mercer2 hr
Jul 5, 11:00 PM EDTFlash Flood Warning Considerable damage threatPHIBurlington, Camden, Gloucester, Salem4 hr
Jul 6, 9:16 AM EDTFlash Flood WarningPHIHunterdon, Mercer, Somerset2 hr
Jul 6, 9:27 AM EDTFlash Flood WarningPHICumberland, Gloucester, Salem3 hr
Jul 6, 10:15 AM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester4 hr
Jul 6, 10:27 AM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester, Salem4 hr
Jul 6, 10:38 AM EDTFlash Flood WarningPHIBurlington, Mercer, Middlesex, Monmouth, Ocean4 hr
Jul 6, 11:02 AM EDTFlash Flood WarningPHIMiddlesex, Monmouth4 hr
Jul 6, 11:13 AM EDTFlash Flood Warning Considerable damage threatPHIBurlington3 hr
Jul 6, 11:44 AM EDTFlash Flood Warning Considerable damage threatPHIMonmouth, Ocean4 hr
Jul 9, 1:22 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex, Somerset4 hr
Jul 9, 1:37 PM EDTFlash Flood WarningPHIGloucester, Salem6 hr
Jul 9, 2:00 PM EDTFlash Flood Warning Considerable damage threatPHICamden, Gloucester5 hr
Jul 9, 2:42 PM EDTFlash Flood WarningPHIMiddlesex, Monmouth4 hr
Jul 9, 3:01 PM EDTFlash Flood WarningPHIBurlington4 hr
Jul 9, 4:32 PM EDTFlash Flood WarningPHIBurlington, Camden, Gloucester4 hr
Jul 9, 7:31 PM EDTFlash Flood WarningPHIAtlantic, Cape May, Cumberland119 min
Jul 11, 3:06 PM EDTFlash Flood WarningPHICamden, Gloucester4 hr
Jul 16, 6:09 PM EDTFlash Flood WarningPHIOcean3 hr
Jul 18, 11:53 AM EDTFlash Flood WarningOKXBergen, Essex, Hudson, Passaic, Union2 hr
Jul 18, 12:40 PM EDTFlash Flood WarningPHIMiddlesex, Morris, Somerset3 hr
Jul 18, 1:52 PM EDTFlash Flood WarningPHIMercer, Middlesex, Somerset4 hr
Jul 18, 2:36 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex, Monmouth4 hr
Jul 18, 3:14 PM EDTFlash Flood Warning Considerable damage threatPHIMercer4 hr
Jul 18, 3:44 PM EDTFlash Flood WarningPHIMiddlesex, Monmouth, Ocean4 hr
Jul 18, 4:34 PM EDTFlash Flood WarningPHIOcean4 hr
Jul 18, 4:46 PM EDTFlash Flood WarningPHIOcean4 hr
Jul 18, 8:21 PM EDTFlash Flood WarningOKXBergen, Essex, Hudson, Passaic, Union2 hr
Jul 21, 8:49 AM EDTFlash Flood WarningPHISussex, Warren2 hr
Jul 21, 10:25 AM EDTFlash Flood WarningOKXBergen, Essex, Passaic108 min
Jul 21, 2:49 PM EDTFlash Flood WarningPHIMorris3 hr
Jul 21, 3:07 PM EDTFlash Flood WarningOKXBergen, Essex, Hudson, Passaic3 hr
Jul 21, 3:13 PM EDTFlash Flood WarningPHIMorris, Somerset3 hr
Jul 21, 3:38 PM EDTFlash Flood WarningOKXBergen3 hr
Jul 21, 4:04 PM EDTFlash Flood WarningOKXHudson3 hr
Jul 21, 4:38 PM EDTFlash Flood Warning Considerable damage threatPHIBurlington, Camden, Gloucester, Salem4 hr
Jul 21, 10:38 PM EDTFlash Flood WarningPHICape May4 hr
Jul 27, 5:35 PM EDTFlash Flood WarningOKXBergen3 hr
Jul 27, 5:49 PM EDTFlash Flood WarningPHIMiddlesex3 hr
Jul 27, 6:07 PM EDTFlash Flood WarningPHIAtlantic4 hr
Jul 27, 6:35 PM EDTFlash Flood WarningOKXBergen, Passaic2 hr
Jul 27, 6:59 PM EDTFlash Flood WarningPHIGloucester2 hr
Jul 27, 7:05 PM EDTFlash Flood WarningOKXBergen, Hudson3 hr
Jul 28, 2:04 PM EDTFlash Flood WarningPHIWarren10 hr
Jul 28, 2:11 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Somerset4 hr
Jul 28, 2:45 PM EDTFlash Flood WarningPHIHunterdon, Morris, Warren9 hr
Jul 28, 3:38 PM EDTFlash Flood WarningOKXBergen, Essex, Hudson, Passaic, Union3 hr
Jul 28, 4:02 PM EDTFlash Flood WarningPHIMiddlesex2 hr
Jul 28, 6:17 PM EDTFlash Flood WarningPHIHunterdon, Warren6 hr
Jul 28, 7:11 PM EDTFlash Flood WarningPHICamden, Gloucester, Salem3 hr
Jul 28, 7:55 PM EDTFlash Flood WarningPHIHunterdon4 hr
Jul 28, 10:39 PM EDTFlash Flood WarningPHIMorris4 hr
Jul 28, 10:50 PM EDTFlash Flood WarningOKXBergen, Passaic2 hr
Jul 28, 10:55 PM EDTFlash Flood WarningOKXEssex, Hudson, Union3 hr
Jul 28, 11:14 PM EDTFlash Flood WarningOKXBergen, Essex, Passaic4 hr
Jul 28, 11:59 PM EDTFlash Flood WarningPHIMonmouth, Ocean4 hr
Jul 29, 12:56 AM EDTFlash Flood WarningPHIOcean3 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.