Whether you're hauling a bag of charcoal out to the grill or a lounge chair over to watch a Fourth of July parade, you might want to keep a hand free for the next few days.

That free hand would be for the umbrella we'll all want to keep, well, handy, through this holiday weekend.

Because each day through late Sunday will have at least a chance of thunderstorms at one time or another, forecasters said today.

Today was to be the muggiest day of this often-muggy holiday, with higher humidity and a high temperature expected to reach 90 degrees.

A cooler front is rolling in for this evening, bringing the chance of some hit-or-miss summer thunderstorms, which could be heavy at times in some areas.

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