The big question in California is: will the levees hold?
California water officials used a weekend lull between storms to identify weak spots in the levee system.
They're tapping emergency funds to patch them now, rather than waiting until summer when water levels are at their lowest.
More rain is in the forecast after the soggiest March on record in the state.
And reservoirs in the Central Valley are at full capacity.
The post-Katrina scenes from New Orleans are weighing heavily on the minds of California officials.
Governor Arnold Schwarzenegger declared a state of emergency for California's levee system in February, freeing up repair money.