San Francisco's rainiest day since last winter is possible next week as energy from a recurving West Pacific typhoon dislodges cold air from Canada and whips up a storm along the West Coast.

There will be a chance for rainfall and thunderstorms across Southern California Thursday, Friday and Saturday as remnants from a hurricane in the eastern Pacific move north. The most significant storms,

Forecast models are leaning toward the possibility of impactful mountain snow and Valley rain, but uncertainty lingers this far out.

Forecasters are calling for mild conditions early this week, but there is a chance of rain reaching Southern California on Thursday and Friday. An upper-level low-pressure system over the west is

“If sea surface temperatures remain above normal just off the West Coast for much of the winter season, temperature departures can be even higher and precipitation much lower,” AccuWeather Lead Long-Range Meteorologist Paul Pastelok said about the forecast for the Northwest.

Western Mexico was being lashed Monday by a hurricane bringing heavy rain, strong winds and rough surf to coastal areas and the Baja California peninsula. A tropical storm watch was issued for Baja California Sur from Cabo San Lucas to Santa Fe,