The Storm Prediction Center has placed the entire viewing area in a risk level 3 for severe weather, which means numerous, persistent widespread severe storms are expected.
For Thursday, there's a 30 percent chance of showers and thunderstorms, with a high near 79 and a low of 57.
NWS says considerable tree damage is also possible, along with potential damage to mobile homes, roofs, and outbuildings.
South Jersey is in a "marginal" (dark green) or "slight" (yellow) risk for severe weather Tuesday night.
A cold front passing late Tuesday could bring severe thunderstorms, large hail and even an isolated tornado to the region.
The threat is most likely between 2 and 9 p.m.
At 6:00 p.m., a severe thunderstorm was located near Water Valley, or 16 miles southeast of Sterling City, moving southeast toward San Angelo at 10 mph.
The wild weather is expected to be clear of the area by 8 p.m.
Severe thunderstorm watches were issued for Nassau and Suffolk counties. "While the main threat is for minor flooding of urban and poor drainage areas, there is a small chance for localized flash flooding". Do not drive your vehicle through flooded roadways.
Sheds were damaged near Cassoday in Butler County, but Schminke said that was caused by strong winds and not a tornado.
More light showers are possible Wednesday, with highs in the 60s.
While the forecast is long term, the weather service is calling for a return to the 80s by Friday.
Saturday: Cloudy skies, a shower or thunderstorm possible. Additional showers and thunderstorms will be possible throughout the day with a gradual shift east and south by afternoon.
Storms will be scattered and will more than likely move northeast.