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Winter-Like Conditions this Week

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WEATHER DISCUSSION

A warm front is bringing increased clouds to the region and a few light showers to the coast and Cascades, but the heaviest precipitation will arrive right ahead of the cold front tomorrow. Steady rain will arrive at the coast mainly after midnight with inland areas holding off until early Monday morning. Snow levels will be fairly high to start the day out around 5,000 feet dropping to 2,500 to 4,500′ by the afternoon lower to 1,500 to 2,000 feet by Monday evening which means on your evening commute over Siskiyou or Sexton Summits you could be dealing with snow and reduced visibility. While the heaviest rain and snow will fall early Monday and and west of the Cascades, light showers will continue overnight Monday into early Tuesday with snow levels down to the valley floor. The favored spots of west side valleys including Ashland and the foothills could see up to an inch of snow by Tuesday morning with most areas seeing a trace to half an inch. Snow and wind may impact travel at times, especially over the passes and higher elevations. Check the tripcheck website before heading out and be prepared for winter driving conditions early this week.

Snow total forecast:
I-5 passes 1 to 3 inches
Cascades 6 to 11 inches
Valleys and east side trace to 1 inch

After the arctic fronts pass through a very cold airmass will settle over the region with highs and lows 15 to 20 degrees below normal and lows will be closer to records than averages. The coldest days will be Wednesday through Friday when clear skies will allow drastic overnight cooling. The east side and mountains will bear the brunt of the cold air will lows near zero for the colder spots and wind chills below that. Prepare your home, pipes, pets, livestock and yourself before the cold air arrives!

Freezing fog will re-develop by the end of the week and depending on how much fog and low clouds form will really determine how cold our overnight lows will get for the coast and west side valleys. The more fog and the quicker it forms will keep overnight lows in the 20s, for areas that don’t see fog temperatures will dip into the teens.

Send in your storm reports and photos to me on Facebook and Twitter! Thanks for logging on and stay safe and warm this week!

Meteorologist Megan Parry