The Bay Area’s break from the rain didn’t last long.

On the heels of the wettest January in 20 years, the Bay Area is kicking off February with a week’s worth of rain in the forecast, beginning with a storm system expected to arrive Wednesday night, according to the National Weather Service.

The heaviest rain is expected Thursday morning and will continue off-and-on through Saturday, according to the weather service. Rainfall totals between a quarter-inch and 1.5 inches are expected in most urban locations, with the North Bay forecast to see as much as 3 inches. Higher elevation locations, including the Santa Cruz Mountains, could receive as much as 5 inches of wet stuff.

“The Thursday morning commute could be pretty wet,” said Matt Mehle, a forecaster with the weather service. “That’s when a decent amount of rain is expected to be moving through the Bay Area.”

The weather service is also forecasting strong southerly winds with gusts up to 40 mph possible between Wednesday night and Thursday morning. Gusts up to 50 mph will be possible near the coast and in the hills.

There is a chance of lingering showers through Sunday morning, but rainfall totals are expected to be less than one-quarter inch.

The Bay Area should see “a little break early Sunday” before the next system arrives Sunday afternoon into Sunday evening, Mehle said.

The heaviest rain is expected to fall just in time for the Monday morning commute, Mehle said. The second storm system could generate rainfall totals between a half-inch and 1 inch to most urban locations, and up to 3 inches for higher elevations, according to the weather service.

The Bay Area experienced its wettest January since 1998, according to the weather service, as many cities tripled their normal monthly precipitation.

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The January storms sent annual rainfall totals across the Bay Area surging above normal for this time of year. Since Oct. 1, Santa Rosa has received 37.38 inches of rain, which is already more than its annual average of 36.28 inches.

Other annual rainfall totals include San Francisco at 18.45 inches (142 percent of normal), Oakland at 15.96 inches (144 percent) and San Jose at 9.99 inches (126 percent).

The storms are also expected to bring more snow to the Sierra Nevada, where the snowpack level is at 186 percent of normal. The statewide Sierra snowpack, the source of one-third of California’s water supply, is already 107 percent of its April 1 average.