Winter Storm Warning

* WHAT...Heavy snow expected. Total snow accumulations between 2 and 6 inches at pass level, with snow amounts in excess of a foot in the higher terrain.

* WHERE...Northwest Beaverhead County.

* WHEN...From 6 PM this evening to noon MDT Monday.

* IMPACTS...Travel could be difficult over passes. Back country conditions will be very dangerous, especially near and above pass level.

* ADDITIONAL DETAILS...Wet snow may down trees and block access to forest roadways.