On Saturday at 2:04 a.m. the National Weather Service issued an updated flash flood watch valid between 11 a.m. and 11 p.m. for Oregon Lower Treasure Valley as well as Harney, Baker and Malheur counties.

Chattanooga Airport recorded 6.42 inches of rain on Tuesday, the second wettest day on record in the city’s history.

Storms developing Sunday night and lingering into Monday night could produce localized flash flooding, though it's hard to predict where it will land.

The watch was in place for Southern Blue Mountains of Oregon, John Day Basin and Ochoco-John Day Highlands.

A prolonged threat of flash flooding, gusty winds and hail pose a risk to those in the Midwest, as strong storms could continue to hit the area this weekend. On Friday night into early Saturday morning, storms swept across parts of the Upper Midwest, bringing wind gusts up to 80 mph and reports of downed trees and power lines.

CBS News Meteorologist Kylee Miller says we still can't rule out having an isolated storm pop up during the afternoon.

Strong storms rolled through Chicagoland on Saturday night into early Sunday morning, dropping heavy rain that triggered flash flooding in west suburban Cicero and whipping up strong winds that tore the roof off an apartment building in northwest suburban Mount Prospect.

The National Weather Service has issued a flash flood warning for Coconino County, including Sedona, starting at 5:27 p.m. Aug. 15. The warning expires at 8:30 p.m. Aug. 15.