Northern California Weather: 02-21-2026

Good evening! I'm Aaron Jolly, and welcome to the Northern California Weather Podcast. It's Saturday, February 21st. Folks, soak in tonight's calm because it's about to get interesting. Right now you're looking at one of those gorgeous Northern California evenings. Bay Area sitting pretty near 60 degrees. Central Valley at 57 degrees under clear skies. Enjoy it. Seriously. Here's the deal. A powerful atmospheric river is loading up like a freight train aimed right at us. Tonight stays quiet. Bay Area lows dip to 50 degrees around 40 degrees AM. Central Valley drops to 41 degrees by 40 degrees AM. You'll notice the wind shifting from the south around 40 degrees PM tonight. That's the atmosphere clearing its throat. Sunday morning? A slight chance of rain sneaks into the Bay Area around 40 degrees AM. Highs climb to 63 degrees. Central Valley pushes to 64 degrees and stays mostly dry. But Monday afternoon the faucet starts turning. Rain becomes likely Monday night with heavy, steady rainfall hammering us all day Tuesday. Bay Area highs only reach 62 degrees. Central Valley drops to 57 degrees. This isn't a drizzle. This is a legit atmospheric river event. Now if you're anywhere near Siskiyou County above 40 degrees,500 feet, listen up. Winter Weather Advisories are already posted. Three to six inches of snow with gusts hitting 60 miles an hour. Stay off those mountain passes if you can. Here's your heads up for the week ahead. Wednesday brings a brief breather with lighter showers. Then Thursday and Friday? The sun comes roaring back. Mid 60s across most of the region. We're gaining over two minutes of daylight every day now. Spring is whispering. One more thing. If this forecast helped you plan your weekend, share it with someone who needs it. Word of mouth keeps us going. That's your forecast — we'll be back tomorrow. Stay safe out there, folks!