Tonight should be the coldest night of the week and of the Fall season so far. Overnight lows will drop to the 30s and low 40s, with a few 20s possible in Idaho and Montana.
Friday will be dry but cool with highs in the uppers 50s and low 60s. Expect breezy conditions Friday and Saturday morning.
Rain on the way for Saturday, Sunday, and the first part of next week.