KCRA 3 Weather meteorologist Dirk Verdoorn looks at the steady stream of rain moving through Northern California and when the next big wave will hit.

The KCRA 3 weather team is issuing Impact Days through Tuesday because back-to-back storm systems will bring waves of rain and snow that can affect outdoor activities and travel.

Dirk Verdoorn says Northern Sierra locations will get the most rain through Tuesday. Dirk Verdoorn says the Sierra could expect more than two feet of snow through Tuesday.

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Dirk Verdoorn explains how much snow places in the Sierra could get through Tuesday. This forecast is from Feb. 1 at 10 p.m.

While chain controls are no longer in effect — for now — in the Sierra, wet weather on Saturday will continue to keep roads slick. The KCRA 3 weather team is issuing Impact Days through Tuesday ...