Well, we surived the Wyo-Nado as they're calling it. Somehow, we just had the high winds and cold temps on Monday night into Tuesday, but very little snow. 100 miles south and north of us got pounded with a ton of wet heavy snow.
We found the onboard Onan LP generator is pretty hungry, so we ended up borrowing a Honda 2000 generator to keep us running electric-wise, to conserve our propane for the furnace. We also used the fireplace as a space heater as needed. We burned through our 4 30lb bottles in a little over 4 days. Thankfully it was warmer the other days and we had no shade, so the heat didn't need to be on during the day most of the days.
We plan on getting our own small portable generator to supplement the Onan for situations just like this.