Two rounds of heavy rain are headed to the Bay Area. Here’s a timeline of the storms – San Francisco Chronicle

Two rounds of heavy rain are headed to the Bay Area. Here’s a timeline of the storms  San Francisco Chronicle

UPDATE: Get the latest forecast updates as major storm heads toward California. A looming storm is likely to bring the heaviest rain in more than six months to San Francisco on Friday, with another system to follow Sunday. Rainfall totals of 1 to 2 inches are forecast for the Bay Area through Monday morning, along with two rounds of breezy conditions. Giant waves are warned along the Pacific coast this weekend. More systems are on tap next week. More weather news: Sierra snowstorm could bring 2 feet of snow and blizzard conditions Bay Area flood risk maps: See which areas face the greatest dangers Here’s a timeline for the wet weather ahead: Warm Thursday, with chance of evening showers Increasing clouds Thursday will be a sign of changes afoot, as a storm coalescing in the Gulf of Alaska pushes toward the West Coast.

Drizzle is possible in the hills along the coast, but most of the Bay Area will stay dry. Humid southerly winds overnight will squeeze out even more drizzle, most likely in Sonoma, Marin, San Francisco, San Mateo and Santa Cruz counties. Highs will be in the mid-60s to mid-70s, coolest at the coast and warmest in the Santa Clara Valley. It’ll be warm overnight, in the mid-50s to low 60s. Powerful cold front Friday Hit-or-miss showers are