According to the latest forecast from the National Weather Service (NWS), scattered thunderstorms are forecast to develop throughout the day on Wednesday and Wednesday night.
While the exact timing and coverage of any severe storms is uncertain, the weather service said these storms could linger "well into the night."
The primary hazard is damaging winds, as well as hail and possible tornadoes, mainly across central and southern New Jersey.
National Weather Service Philadelphia/Mount Holly
National Weather Service Philadelphia/Mount Holly
National Weather Service Philadelphia/Mount Holly
"The severe thunderstorm risk for today into tonight remains highly conditional and uncertain," the NWS said Wednesday morning. "There remains a risk of severe thunderstorms for much of the area on Thursday."
Alongside the risk for severe weather, a Heat Advisory is in effect from 11 a.m. until 8 p.m. on Thursday, with heat index values of up to 100 degrees expected.
The advisory is in effect in Eastern and Western Monmouth, Mercer, Ocean and Southeastern Burlington Counties as well as parts of Pennsylvania.
The NWS is advising residents to monitor the latest forecasts and make sure they can receive watches and warnings as forecasts develop.
Here's the latest weather forecast from the National Weather Service:
NORTH JERSEY
Wednesday: A 30 percent chance of showers, mainly after 2 p.m. Mostly cloudy, with a high near 75. Southeast wind around 7 MPH.
Wednesday Night: A chance of showers before 11 p.m., then a chance of showers and thunderstorms between 11 p.m. and 2 a.m., then showers likely and possibly a thunderstorm after 2 a.m. Cloudy, with a low around 68. Southeast wind 3-6 MPH. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday: Showers and thunderstorms likely, mainly before 11 a.m. Mostly cloudy, with a high near 85. Southwest wind 6-9 MPH. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night: A chance of showers and thunderstorms before 11 p.m., then a slight chance of showers between 11 p.m. and 2 a.m. Mostly cloudy, with a low around 70. Northwest wind 3-5 MPH. Chance of precipitation is 30%.
Friday: Mostly sunny, with a high near 84. Northwest wind 5-9 MPH.
Friday Night: Mostly clear, with a low around 64.
Saturday: Sunny, with a high near 80.
Saturday Night: Mostly clear, with a low around 62.
Sunday: Sunny, with a high near 76.
Sunday Night: Mostly clear, with a low around 60.
Labor Day: Sunny, with a high near 79.
Monday Night: Partly cloudy, with a low around 63.
CENTRAL JERSEY
Wednesday: A slight chance of showers between noon and 5 p.m. Mostly cloudy, with a high near 76. East wind 5-10 MPH. Chance of precipitation is 20%.
Wednesday Night: Showers and thunderstorms likely, mainly after 2 a.m. Cloudy, with a low around 67. East wind around 5 MPH becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday: A chance of showers and thunderstorms, mainly after 3 p.m. Cloudy, then gradually becoming mostly sunny, with a high near 88. South wind around 5 MPH becoming west in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night: A chance of showers and thunderstorms before 2 a.m. Mostly cloudy, with a low around 69. West wind around 5 MPH becoming calm. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday: A slight chance of showers after 2 p.m. Mostly sunny, with a high near 86. Northwest wind around 5 MPH. Chance of precipitation is 20%.
Friday Night: Partly cloudy, with a low around 63.
Saturday: Sunny, with a high near 81.
Saturday Night: Partly cloudy, with a low around 60.
Sunday: Sunny, with a high near 77.
Sunday Night: Mostly clear, with a low around 58.
Labor Day: Mostly sunny, with a high near 80.
Monday Night: Partly cloudy, with a low around 60.
SOUTH JERSEY
Wednesday: Mostly cloudy, with a high near 80. East wind around 10 MPH.
Wednesday Night: A chance of showers and thunderstorms, mainly after midnight. Mostly cloudy, with a low around 73. East wind around 5 MPH becoming south after midnight. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday: A slight chance of showers and thunderstorms after 1 p.m. Mostly cloudy, then gradually becoming sunny, with a high near 90. South wind around 5 MPH. Chance of precipitation is 20%.
Thursday Night: A chance of showers and thunderstorms before 2 a.m. Partly cloudy, with a low around 75. Southwest wind around 5 MPH. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday: A chance of showers and thunderstorms after 2 p.m. Mostly sunny, with a high near 89. Northwest wind around 5 MPH. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night: A chance of showers and thunderstorms before 8 p.m., then a chance of showers between 8 p.m. and 2 a.m. Mostly cloudy, with a low around 69. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday: Sunny, with a high near 84.
Saturday Night: Mostly clear, with a low around 66.
Sunday: Sunny, with a high near 77.
Sunday Night: Mostly clear, with a low around 66.
Labor Day: Sunny, with a high near 78.
Monday Night: Partly cloudy, with a low around 68.