Most valley locations can expect heavy rain today. Mountain snow is likely through Monday with 12-20" expected. A winter storm warning is in place for the Idaho Panhandle above 4000 feet.
Expect snow on Monday for the entire Inland Northwest. Today should be a better travel day over the passes than Monday.
Temperatures take a big drop by Thursday. Overnight lows next weekend will be in the single digits. High temperatures in the teens.