A wide area of Southern California could see 2 to 3 inches of rain, and snow could fall by the foot at the tops of the mountains around San Bernardino Wednesday through Friday.
The News 19 Stormtracker Forecast Team will continue to expected slight snow accumulations for the remaining parts of your Wednesday, but road conditions will be hazardous ALL day.
The heaviest snow across the region will develop from northern Iowa, Twin Cities and northern Wisconsin.
Some areas could get as much as 60 inches of snow, Hurley said.
Weather officials in Chicago said 35 to 45 miles per hour wind gusts were already whipping across the city, warning that gusts may exceed 60 miles per hour.
"Travel could be very hard as heavy snow leads to snow covered roads", the Portland NWS said.
The weather is active across the country this Thanksgiving week, but what does it mean for local travel?
"This persistent plume, sometimes referred to as an 'atmospheric river, ' will bring copious amounts of rain to coastal and low elevations and a great deal of snow to the Sierra Nevada of Northern California", said AccuWeather Senior Meteorologist Brett Anderson.
Some coastal areas in Northern California and OR should brace for "stronger than hurricane-force winds", the National Weather Service said, warning that the high winds could bring down power lines, rip branches from trees and threaten to push 18-wheelers and RVs off the roads.
The storm will make landfall in OR on Tuesday afternoon, then shift south toward California.
Hudson Valley Weather added the storm has the potential to be mostly snow but added it was too early to really predict.
Chicago will start with rain Tuesday afternoon, then turn to snow late Tuesday.
Behind the system, temperatures will drop 5 to 15 degrees.
The National Weather Service is urging people to wait to travel for Thanksgiving until the weather improves. This will be the second-highest Thanksgiving travel volume since AAA began tracking in 2000, trailing only the record set in 2005.
Elsewhere in Southern California, more than 10 million people are under flash flood watches from San Diego to Anaheim, where 1 to 3 inches of rain could make this Thanksgiving very soggy.
IMPORTANT NOTE from Mitchell International Airport: If you are picking up family or friends flying in for the Thanksgiving holiday Wednesday, the airport is encouraging drivers to park in Hourly Parking and avoid traffic congestion on the Baggage Claim roadway.
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