A storm system is moving in from our West this evening. This is going to bring heavy rain and strong winds to our region. It’s possible that a thunderstorm may develop along the Coast. If so, it could produce hail due to the cool air aloft and also strong winds. Many places have seen several inches of rain over the past three days, and rain totals are only going to increase through this evening and the day tomorrow.
As the cold front moves inland tonight, winds are going to pick up along the Coast, the ridges, the Shasta Valley & the East Side. Winds could gust up to 50-70mph east of the Cascades. In other areas, sustained winds will be out of the Southwest from 15-35mph. Rain will be heavy at times as the front approaches and passes to our east. Rain will begin to taper off into Sunday morning and snow levels will begin dropping once the cooler air moves in behind the frontal passing. Saturday evening snow levels will be between 5,000′ & 6,000.’ Light accumulations are expected above these levels; for the East Side about 1″-2″ & Siskiyou County about 1″.
Sunday morning lingering showers will be both rain & snow with snow levels sitting at about 4,500′. By Sunday evening they will drop to 4,000′. A second disturbance is going to move into the viewing area tomorrow afternoon, again bringing heavy precipitation. With cooler air then in place, snow will fall in higher terrain. This will be impacting the higher passes, with winds still breezy and snow falling, travelers will have to be cautious on the roadways. The Southern Cascades will see accumulations between 3″-7″ & locally higher amounts. Crater Lake & Diamond Lake are likely to see a good 12″+ of snow. I think the Siskiyous will see about 3″-4″ by Sunday evening.
Showers will linger into the day on Monday. Those locations that see snow may face travel impacts Monday morning. By Tuesday, drier air is going to filter back into the region as high pressure builds in from the South and West.
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Enjoy the rest of your weekend!