CHICAGO (STMW) – More thunderstorms could produce very heavy rainfall and even quarter-sized hail early Sunday morning, leading into another rainy, cloudy day.

But hold tight – all will dry off soon enough, as Monday is expected to usher in sunny skies and 92-degree temperatures.

After a gray and rainy Saturday, another wave of storms is expected to wash across northern Illinois after 1 a.m. Sunday, some producing heavy rain, according to the National Weather Service website. South of I-80, there is also a chance of quarter-sized hail.

Monday, on the other hand, is likely to bring the warmest weather of the spring so far, with temperatures climbing into the low-90s across much of the area, the weather service said.

Along with the heat will come increasing humidity, bringing heat index values to the mid- to upper-90s, the weather service said.

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