* WHAT...Snow expected above 3500 feet. Total snow accumulations of 2 to 6 inches, except 4 to 9 inches towards Nez Perce Pass.
* WHERE...Lolo Pass, Elk City, Red River, Dixie and the Magruder Highway.
* WHEN...From 10 PM Monday to 10 PM PST Tuesday.
* IMPACTS...Travel could be very difficult at passes and backcountry Forest Service roads. The hazardous conditions will impact the Tuesday morning and evening commutes.