I'm planning to ride to Corning, CA for a training class, leaving Tues, April 19th.  I need to be in Corning, CA on Sunday, April 24th.  Corning is about 115 miles North of Sacramento, CA.

Because I have a hard deadline for arrival in Corning, my plan is to pile on a lot of miles the first 2 days, in hopes of having the time to take the fun, twisty routes as I approach the mountains.

I would love to hear suggestions on general routes, and on specific roads I should seek out along the way.  Google maps suggests 3 main options:

1) MN west across North Dakota, Across Montana to Bozeman, then cutting across the SouthWest corner of Idaho, then South through Nevada until Wells, where routes #1 and #2 converge.

2) MN to the SouthWestern corner of the state, across South Dakota, then through Wyoming toward Salt Lake City, then across the remainder of Utah, into Nevada, until Wells, where the routes converge.

3)South to Des Moines, then West to Omaha, West all the way across Nebraska, until the route converges with route option # 2 above, at Rawlins, Wyoming. The rest follows route #2 above.

Here is a link to the Google Maps routes I am referencing:  https://www.google.com/maps/dir/100+Melbourne+Avenue+Southeast,+Minneapolis,+MN+55414-3516,+USA/Corning,+CA+96021/@41.1038795,-105.2195826,5.5z/data=!4m13!4m12!1m5!1m1!1s0x52b32cda475cb875:0xd874aa2807cfeb7a!2m2!1d-93.2130466!2d44.9657731!1m5!1m1!1s0x8082f29c136ae2f5:0x103342cc7d25c3f3!2m2!1d-122.1791556!2d39.9276572

If that link is wonky, it is just the routes that pop up when I ask Google Maps to calculate a route from Mpls to Corning, CA.

It is about a 2,000 mile trip, according to GMaps, and I have given myself 6 days to get there, which should be more than enough time, especially if I try hard to make miles on the first 2 days. (I'm aware that this is just over a 2 day ride for some of you Iron Butt types).

Should I be concerned about getting snowed out of any routes through the mountains in late April?  If so, perhaps I would be wise to pick the southernmost route, in case I need to detour South around the mountains?

I would love suggestions on both the best of the 3 approaches listed above (routes 1, 2 or 3), as well as specific roads or sights I should see along the way.  Similarly, if none of the general routes suggested by Google are the best, please chime in with your suggestions.

Thanks so much in advance for sharing your wisdom.  I'm really looking forward to this ride (and the ride back home 1 month later).
Vespadaddy Dan

EDITS:
I'll be riding my FJ-09, loaded up with sidecases, trunk, and a tiny tank ring bag.  I have a heated jacket liner, and heated grips.

Interstate riding isn't my fave, but I have helmet speakers fed via bluetooth from my phone, so I should be good for 600-800 miles in a day, I hope.  I can doo 600 no problem if it is twisty, but the slab gets boring.

Reason for the ride: I'm taking a class at Rainbow Aviation to get certified as a light sport airplane maintenance mechanic.