UPDATE: Severe thunderstorm warnings have been issued as severe storms hit the state with hail and gusty winds
The final day of a more than week-long heat wave across much of New Jersey is expected to bring potentially severe thunderstorms and gusty winds to the state Monday afternoon and evening, forecasters said.
Storms could heat up as early as noon in northwestern New Jersey before moving southeast and hitting southern coastal counties after 6 p.m., the National Weather Service said Monday.
In the interior parts of the state, rain is likely to start sometime between 3 and 6 pm
Although the rain will bring “significant relief” from the eight-day heatwave, forecasters warn that localized flooding is possible and that some of the storms could be severe.
Ahead of the storms, we’ll have another day of extreme heat with temperatures climbing into the low 90s and the heat index reaching 101 in parts of South Jersey.
The heat wave is likely now over in northwestern New Jersey, where Monday’s forecast highs will reach the mid to upper 80s. Morris, Sussex, Warren, western Passaic and western Bergen counties are no longer under a heat advisory.
Monday’s highest temperatures and heat indexes will generally be in Burlington, Camden, Mercer and northwest Burlington, where an excessive heat advisory is in effect until 6 p.m.
Heavy rain and gusty winds are in the forecast for New Jersey Monday afternoon and evening, according to AccuWeather.com.AccuWeather.com
A heat advisory is in effect until 6 p.m. for Atlantic, eastern Bergen, southeastern Burlington, Cape May, Cumberland, Hunterdon, Middlesex, western Monmouth, Ocean, eastern Passaic, Salem and Somerset counties.
Once the storms clear, temperatures will drop, with overnight lows ranging from the 60s in Sussex County to the 60s to 70s across the rest of New Jersey.
Temperatures on Tuesday return closer to normal for later July with highs in the 80s. Showers and thunderstorms are possible in South Jersey, but most of the state should remain dry, the weather service said.
Heat indices in New Jersey on Monday will range from above 80 degrees in Sussex County to more than 100 in Cumberland County. National Weather Service
Sunday brought record-breaking heat to Newark as the temperature reached at least 100 degrees for the fifth day in a row. The high of 102 broke the previous record of 99 set in 2010.
Several other places in New Jersey also reached 100 or higher, according to the state climatologist’s office, including Hillsborough and Berkeley, where highs reached 102.
Current weather radar
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Jeff Goldman can be reached at jeff_goldman@njadvancemedia.com.
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