We had cloudy skies, cooler temperatures, and breezy winds over northern California today. Temperatures topped out in the low to mid 60's in the valley, in the mid to high 50's in the foothills, and in the 50's to low 60's in the mountains. South winds have been up to around 20mph this afternoon and will persist into this evening.
Rain and snow showers will be returning to the northwestern portion of our region tonight and will spread across the remainder of the north state overnight into early Saturday. A Winter Weather Advisory will go into effect for portions of Siskiyou and Trinity County at 10pm tonight, and will last through 10am on Saturday. 3 to 6 inches of snow will be possible down to 3000' in those counties, and we could see up to a foot of snow above 5500'. A Winter Weather Advisory will go into effect for portions of the Sierra in Shasta, Tehama, Plumas, and Butte Counties at 4am Saturday and will stay in effect through 10pm Saturday night. 4 to 8 inches of snow will be possible down to around 4000' in those areas. Localized amounts of up to 10 inches will be possible along higher peaks during that warning time in the Sierra and Cascades. Rainfall totals in lower elevations are projected to top out at around a half an inch in the areas furthest to the north and will become lighter to the south. Showers are expected to diminish across the Northern Mountains in the late morning, and in the valley in the afternoon.Showers are expected to persist in the northern Sierra through late Saturday night.
Temperatures will dip into the low to mid 40's for the start of your wet Saturday morning in the valley. Mountain areas will have low temperatures in the low to mid 30's on Saturday morning. High temperatures are projected to top out in the mid to high 50's in the valley on Saturday, foothill areas will top out in the 40's to low 50's, and mountain areas will mostly end up in the mid 40's. Winds will be out of the south up to around 20mph. We'll continue to have cloudy skies and cool temperatures as we head into your Sunday, but the chance for showers will mostly be limited to portions of the Sierra. SNow levels will dip down to around 3500' in the Sierra. There will be around a 10 percent chance for showers in the valley for the latter part of your weekend. Temperatures will be cooler for your Sunday morning, but high temperatures will be on par with what we'll be seeing on Saturday. Low temperatures in the valley will be in the high 30's to low 40's, while mountain areas mostly start out in the mid to high 20's. You'll also want to remember to set your clocks forward an hour early Sunday morning.
Mostly dry weather and warmer temperatures are projected for next week. Valley areas will climb back into the low to mid 60's on Monday and will then climb back into the low to mid 70's for the middle of next week. Overnight low temperatures will also end up warmer, with mid to high 40's expected in the valley. The best chance for showers next week will be in portions of the Sierra, but is expected to mostly stay to our South.