A sign warned motorists of flooding on northbound Highway 101 Monday in Corte Madera, Calif.
A sign warned motorists of flooding on northbound Highway 101 Monday in Corte Madera, Calif.

SAN FRANCISCO — Downpours swelled creeks and rivers Monday in Northern California, threatening to cause even more flooding in the already soggy region.

In Texas, officials said severe storms pushed at least three tornadoes through parts of San Antonio overnight Sunday, damaging dozens of buildings but causing only minor injuries,

Residents of the San Joaquin Valley in California were patrolling levees for signs of flood danger, reviewing evacuation plans and filling hundreds of sandbags after the San Joaquin River kept rising.

The National Weather Service issued flood, snow, and wind advisories, including a flash flood warning for the Soberanes burn area in Monterey County. Winds could reach 60 miles per hour in the San Francisco Bay Area.

Santa Cruz County had seen 2.8 inches of rain in 24 hours and could see up to 8 inches before the storm passes Tuesday. Marin County got 2.3 inches of rain while close to an inch fell in San Francisco.

Forecasters said rainfall in San Francisco has already surpassed…