Just after 7 a.m. Monday, the Palm Springs area got pounded with a series of severe downpours.
In minutes, the relentless rains turned roads into rivers, leaving a dozen intersections flooded and drivers stranded in dangerously high water.
Some tried to push their vehicles to higher ground. Others just abandoned them and looked for safety.
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There were at least 40 water related rescues in Coachella Valley Monday. At least one school was evacuated.
"Within 30 seconds the water was at least 2-feet high," Maritza Carranza, a La Quinta resident, said.
Just north of Victorville, blinding sheets of rain created a traffic mess on Interstate 15, Causing a pile-up involving a bus and two other vehicles.
"They lost control and hit my van and then that young lady, when I was parked here, she hit the side of me," Mark, the bus driver, said.
No one was seriously hurt in the crash, but it created a traffic headache for drivers heading north to Barstow.
The storm system unleashed its torrents of rain as randomly as a lottery machine picks winning numbers.
San Bernardino got hit with a jackpot just before noon.
So did downtown Riverside, where a heavy downpour quickly flooded some intersections.
Still, some were glad to see drought-stricken Southern California get much-needed water.
"But not all at one time," Al Rizzo, of Riverside, said. "That's the problem because a lot of it runs off."