I think the longest between fuel and food on 93 is around 100+ miles, so top up when you can and you'll be fine. Overnight lows last week were around 34-38 and daytime highs were around 54-60 with scattered showers. The weather has not been ideal but nicer than the PNW.
edit: spoke too soon.
https://www.google.org/publicalerts/...source=maps-sp