There is a Heat Advisory in effect for Mercer County and parts of southern New Jersey for tomorrow 11a.m. – 8 p.m. as high heat and humidity create feel like temperatures that reach near 99 degrees.

Today's heat and humidity is not widespread, but there will be enough of it combined with the sun to spark a thunderstorm this afternoon. These storms are more likely in central and southern New Jersey as the sunny chances are higher. There will be some breaks of sun in northern zones, but it is not widespread enough to create a problem with thunderstorms. There could be one or two severe storms today, but not significant.

The weather remains swampy overnight into tomorrow with hot weather returning for Thursday.

There is a Heat Advisory in effect for Mercer County and parts of southern New Jersey for Thursday 11 a.m. – 8 p.m. as high heat and humidity create feel like temperatures that reach near 99 degrees. The humidity and heat overwhelm the atmosphere by the early afternoon on Thursday sparking a few early thundershowers. It's not until 4 or 5 p.m. that stronger storms develop, capable of producing damaging winds and a tornado or two. Damaging gusts can be in excess of 50 mph. Storms blow offshore near sunset, with a pretty view of the sky.

Friday turns quiet, but still very warm.

A heat wave is likely to begin over the weekend and carry into next week with hot temperatures in the 90s. There could be a sprinkle or passing shower on Sunday. The hottest day is predicted to be Tuesday with a high of 101 degrees.