Transition To A More Active Pattern

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A cold front will start to bring rain and snow to the region today with isolated showers mainly at the coast this morning and more widespread precipitation falling this afternoon. The heaviest rain and snow will fall mainly after midnight through tomorrow morning and in northern California. A Winter Weather Advisory has been issued for Siskiyou County and Josephine county above 2,500 feet from 4 PM today through 4 PM tomorrow for up to 6 inches of new snow. This means I-5 at Siskiyou Summit in particular may be impacted as early as tonight and mountain pass conditions will continue to deteriorate through the week as several storms will continue to bring snow down to pass levels. By tomorrow morning we’ll see snow levels drop to 2,000 feet and locally to 1,500 feet at times. Snow levels will remain between 2,000 and 2,500 feet all week long.

After the cold front passes we’ll see diminishing winds and showers tomorrow afternoon with a relatively dry break through Wednesday morning before another disturbance brings more rain and snow showers Wednesday night through Thursday. The strongest storm of the week will hit Friday and Saturday with the heaviest precipitation of the week as well as strong winds. Be sure to check road conditions before heading out, especially later this week.

For ski and snowboard enthusiasts this colder airmass we’ll see new snow through the week. We won’t see real heavy snow with these next several storms, but we will see snow frequently which means improving conditions with powdery snow!

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Meteorologist Megan Parry