Years ago I remember entering the Eisenhower Tunnel on a slightly cloudy day and exiting into a full blown snowstorm.
Having driven every major freeway from coast to coast including a few secondary routes, I70 is my favorite by far.
Drive safe and enjoy the trip.
Crabs
P.s., There is a place in Grand Junction that makes the very best Toffee on the planet:
https://www.enstrom.com/
Stop by if you are still in town.