National Weather Service United States Department of Commerce

Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Northeast; Heavy Rain Returns to California

An Alberta clipper will bring lake effect snow downwind of the Great Lakes, with the highest snow totals downwind of Lakes Erie and Ontario. Snow squalls may impact New Year's Eve travel during the evening and overnight hours across parts of the Great Lakes, Ohio Valley, and Northeast. Heavy rain will bring a flash flooding threat for southern California on New Year's Eve into New Year's Day. Read More >

Active weather returns later Wednesday with showers coming from the south. After, moderate to heavy rain is expected in Siskiyou County Thursday through at least Friday. Southerly winds increase Friday, and a High Wind Watch has been issued for the Shasta Valley late Friday morning through early Saturday morning for winds forecast to reach 25-35 mph with gusts up to 60 mph. Snow levels fall Friday and a Winter Storm Watch will be in effect above 5,000 feet Friday evening through Sunday afternoon with 1 to 3 feet possible for areas including Etna Summit and Mt. Shasta Ski Park. Signs point to the active pattern continuing into next week.
Areas of dense and freezing fog are expected during the nighttime and morning in valleys of Douglas, Jackson, and Josephine counties through Wednesday morning. Frost may develop on paved surfaces with low temperatures in the upper 20s and lower 30s. Take caution. Turn on your low beam lights, drive slowly, and keep your distance from other vehicles. Consider delaying travel until conditions improve in the afternoons. Learn more about these conditions by visiting at weather.gov/safety/fog.
High pressure aloft will dominate the region through Wednesday. This will result in stable air over inland valleys in addition to dry weather across the area. The result will be very little mixing of the airmass which may lead to poor air quality for valleys due to the stagnant air.

 

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