Nov. 22, 5 p.m. A flash flood alert in San Francisco has been downgraded to a flood warning as the intense downpour from a California atmospheric river slows down in the city but continues to pummel other parts of the Bay Area. San Francisco’s flood warning is in effect until 6:45 p.m., the National Weather Service said in a social media post.

A third day of an atmospheric river storm has inundated Northern California and the Bay Area, with the storm spreading from the North Bay south across the region, flooding creeks, roads, and low-lying areas.

The Weather Prediction Center has placed portions of northern California under a rare Level 4 of 4 risk of flooding Thursday.

A third day of an atmospheric river storm has inundated Northern California and the Bay Area, prompting warnings and advisories about local flooding.

Here's how much rain and snow fell along the Interstate 5 corridor so far this week, and what else the winter storm will do. Rounding out the work week is another day of moderate, dry and mostly sunny conditions on Friday.