Thunderstorms are capable of producing heavy downpours, hail and damaging winds.
Roads were swamped in eastern Nebraska as heavy rains inundated the area Friday morning.
An area of low pressure does have potential to develop into the next tropical system.
California deals with two natural weather extremes.
From fires in California, hurricanes in the Atlantic and Pacific, and lightning in Denver, this week's weather rocked the nation from the West Coast to the East.
Gulf moisture surging into the Southeast will bring drenching thunderstorms to kick off college football weekend.
A car slammed into a guard rail on Thursday and caught fire. But it didn't end there; the car fire spread to 80 acres shutting down parts of Highway 152.
Evan Myers and Elliot Abrams track the changes this weekend.
Heavy rains flooded Lubbock, Texas, Thursday. One man had to be rescued when he became trapped in his car in rising waters.
Cristobal continues to cause trouble for New England beaches, even as it steams toward Europe. Many beaches banned swimming on Thursday due to the threat for rip currents.