Big winter storm expected to hit NorCal: Here are the details

Big changes are ahead for Northern California’s weekend weather. Starting this weekend, there will be an abrupt change from the warm and dry weather the region has been seeing. The winter storm will have a huge impact in the Sierra, while communities in the Sacramento-San Joaquin Valley will have see colder and wetter conditions. KCRA 3 Meteorologist Mark Finan has the details in the video above.