There is a blizzard warning for northeast Colorado, including Denver (orange). A blizzard watch is in effect in northwest Kansas and southwest Nebraska (green).
These shades of green = flood watch as much as 5"of rain could fall with this storm.
Tornado and Severe Thunderstorm
Here is the tornado risk between now and 6am Tuesday. Five percent (brown) is the significant threshold.
There is an unusually high chance of damaging thunderstorm winds. In this case 15% (yellow) is the significant threshold for gusts of 58 mph or higher. The hatched area may see gusts of 75 mph or higher. This same area may have very large hail.