Widespread moderate to heavy precipitation and isolated strong thunderstorms through Friday. Flooding expected in susceptible urban and low-lying areas, including small streams and creeks. Major holiday travel impacts over the passes from the combination of heavy mountain snow and strong winds. Another round of strong and gusty southerly winds tonight into Thursday. Drier conditions return this weekend into next week.
Today (Christmas Eve): Brief break during the day from the highest winds and precipitation, before moderate to heavy precipitation and strong winds return, and snow levels begin to lower.
Valley thunderstorm chances this afternoon.
Snow levels around 6000 to 7000 feet, lowering further to 4500 to 5500 feet by Christmas Day.
Heaviest snow rates expected today – Thursday.
Thursday-Friday: Heaviest rain and snow of the week continues Thursday, with snow levels lowering to 4500-5500 ft throughout the day. More moderate precipitation on Friday. Strong southerly winds Thursday. Valley thunderstorm chances Thursday.
Strong southerly winds may cause downed trees and power lines resulting in potential power outages. Unsecured items could be impacted, including temporary structures and holiday decorations. Difficult driving conditions for high profile vehicles.
Risk of rock/mud slides in the foothills and mountains. Widespread rainfall through this morning, with a brief lull this afternoon, followed by additional widespread rain this evening – Thursday.
This weekend: Drier conditions with lingering light, minor impact precipitation on Saturday over the mountains.