Increasing clouds, cold.

Stormy conditions pose no threat for Super Bowl XLVI in Indianapolis, thanks to retractable roof at Lucas Oil Stadium.

Mild days, cool nights.

Potent Pacific disturbance pushes heavy snow (12+") across Colorado, Nebraska, Kansas, Iowa, Missouri. Light snow or scattered flurries farther north.

Snow parts of New Mexico, Oklahoma, Texas.

Powerful disturbance pushes in across Pacific Northwest, bringing heavy rain, strong winds to coast and valleys, and heavy snow—12+" possible—higher terrain.

Gusty winds. Snow parts of northern Arizona, Nevada, Utah.

Precipitation moves out, followed by partial clearing.

Fair weather holds for a little while longer.

A storm from the west brings snow, especially around the Great Lakes.

Powerful storm from the Pacific pushes a heavy snowfall across parts of the Rockies and Prairies. Look for 30 centimeters or more.

Powerful storm pushes in across British Columbia, bringing heavy rain to the coast and valleys and heavy snow, 30 centimeters or more, to the higher terrains.