Strong to severe thunderstorms were sweeping across parts of New Jersey Sunday evening, following a warm afternoon.

Muggy conditions set the stage for storms to sweep across northern New Jersey from west to east.

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News 12 meteorologists say strong, damaging wind gusts and heavy rain are the biggest threats. Some small hail and even a possible isolated tornado can't be ruled out.

Expect scattered storms popping up across the northwestern part of the state this evening, with another line of fast-moving storms pushing through later.

Monday will be mostly sunny with a chance of a thunderstorm, especially toward the afternoon. Expect summer-like heat and humidity -- the temperatures will top out in the mid-80s.