Your July 4 fireworks and barbecues may be indoors this year — depending on the weather. Why it matters: Scorching hot temperatures and widespread thunderstorms may disrupt your festivities or cause travel delays for the record-number of people hitting the road this holiday weekend.

Here's a region-by-region look at where weather might be a factor in your plans, whether it's watching fireworks, cooking out or a pool or beach trip.

The Denver area could get some scattered rain over the July 4 holiday weekend. When one of Madeline Dunn's 18-month-old twins woke up screaming in agony, she rushed him to the emergency room and demanded an X-ray The politics of the party have shifted,