The first blizzard warning in the lower 48 has been issued for parts of Montana (orange).
The browns in the Great Plains are wind advisories except for the deep brown in Nebraska and northern Kansas which is a high wind warning.
There is a hurricane watch and a tropical storm warning for southern Florida.
Yellows are tropical storm watches. Amber is the area of tropical storm-force winds (40 to 73 mph). There is a chance of tornadoes Sunday and Monday in southern Florida including the Keys. Flooding is also likely with up to 10 inches of rain possible.