It would be a good idea to celebrate Pioneer Day festivities this year armed with an umbrella.
There was about a 30 percent chance that thunderstorms would crash outdoor activities across the state starting Tuesday afternoon and into the evening hours.
A flash flood warning was in place until 2:45 p.m. Tuesday in south central Washington County from the Arizona border to the Virgin River in St. George. The National Weather Service said about 2 inches of rain had already fallen there Tuesday morning, in just an hour, prompting flash-flooding concerns. Up to a half-inch more rain may also fall.