The colder air will drop in tonight and Tuesday night with lows approaching the upper teens to low 20s depending on your location. On Wednesday night or Thursday, another system is going to slowly work its way south bringing widespread snow mostly in the Northern and Central mountains and the Front Range but eventually some snow into the San Juans. The new Euro really lights up the totals, but there is not a lot of agreement among the models how all of this is going to go down. I am including the totals today just to make people aware of what is possible in the Thursday-Saturday time period.
Here is the GFS.
And the Canadian
We have a couple of days to track this and may see some big changes in the models so if you are traveling within the state Thursday-Saturday be aware of the possibility of impacted travel, especially over the passes. Next Update Tuesday afternoon.
If you have not checked out all of the contest upgrades yet, read the details here: March 18th Contest Update!