After years of drought, Northern California is getting hit with record rain and heavy early-season snow.
On Sunday an area of extremely low pressure off the Pacific Northwest Coast set a record before connecting with subtropical moisture, which is rare for October.
This Atmospheric River slammed Northern California for more than 24 hours bringing heavy rain, flooding, rock slides, traffic issues and road closures.
RELATED: Storm Latest: Record-setting weather, flooding reported overnight in parts of Sacramento | Updates
Record keeping has a long history in Sacramento going back to the Gold Rush of 1849.
Sunday's rain set a new record for the downtown location with 5.44 inches of rain in 24 hours.
The Sacramento Executive Airport location has records going back to the 1950s and set a new 24 hour record of 5.41 inches.
Blue Canyon is off I-80 at 5,000 feet and often reports heavy snow totals during the rainy season but this storm had snow levels near 11,000 feet Blue Canyon reported more than 10 inches of rain in 24 hours and broke a record set in the 60s.
Late Sunday night to Monday the rain switched to snow and heavy snow shut down I-80 due to truck and car crashes. At least a foot of snow fell in some areas of the Sierra with more expected during the day. Chain controls are expected during the day for passes that are open.
Highway 50 and 70 have been shut down as of Monday morning due to multiple mud and rock slides.
Monday afternoon will see rain generally ending for the valley with afternoon thunderstorms possible. There could be a few light showers Tuesday night before a dry streak arrives for the rest of the week.
ABC10: Watch, Download, Read
WATCH MORE: