The Cascades are expected to get pelted with heavy snow throughout the week.

The National Weather Service has issued a Winter Storm Warning for the Cascades through 4 p.m. Thursday. Heavy snowfall began this morning, with total accumulations of 2 to 4 feet expected.

If you plan to travel over a mountain pass, be sure to check: https://wsdot.com/travel/real-time/mountainpasses/