All you have to do now is worry about the weather.
From CNN.
A major winter storm began walloping part of the Western United States on Monday, snarling morning commutes in some areas and dumping snow as far south as Arizona.
The storm is expected to intensify as it strikes California and heads northeast toward the Rockies, bringing with it snow and extremely frigid temperatures.
"It's forecast to affect about 17 states, from California all the way to Michigan," CNN meteorologist Sean Morris said.
Blizzard warnings are in effect for parts of the central Rockies and the Mogollon Rim in Arizona, where up to 2 feet of snow and wind gusts of 50 mph could cause whiteouts.
Video: Wintry weather jams roadways
Video: Winter storms hit U.S.
Video: Wintry weather in Midwest
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A blizzard watch was out for the Upper Midwest, including parts of Minnesota, Iowa and Illinois. "In these areas tomorrow, they could experience winds of 30 to 40 mph and visibilities near zero in blowing snow," Morris said.
The coldest air of the season is expected to surge southward behind the storm. By midweek, the storm could bring temperatures 20 to 30 degrees below normal and and dangerous, life-threatening wind chills across the northern United States.
"High temperatures will struggle to make it out of the single digits," Morris said.
Winter storm warnings are in effect for Sierra Range southward to the San Bernardino Mountains in Southern California. The area was set to experience heavy snow Monday, with up to 3 feet possible in higher elevations.
Southern California on Monday may get wind gusts of 60 mph, which could damage trees, power lines and communication towers. Heavy rains also were forecast, triggering possibilities of mudslides and debris flows, especially in burn areas.
The storm is expected to intensify Tuesday as it moves northeast into the Midwest and Upper Great Lakes.
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Ahead of the storm, parts of the Midwest got a dose of wintry weather, with light snow causing traffic disruptions stretching from Wisconsin to Ohio. At least one person was killed early Monday when a semitrailer struck a 21-year-old man in Indiana during a weather-related crash, authorities said.
Forecasters warned the worst is yet to come, with widespread power outages expected through Wednesday and extreme weather making travel nearly impossible in some areas.
Some parts of Iowa received up to 5 inches of snow Sunday, according to CNN affiliate KCCI-TV in Des Moines, and could receive up to 10 inches of snow through Wednesday.
Chicago, Illinois, received about an inch of snow through Monday morning, said CNN iReport contributor Alan Hawkins. The sun came out and began to melt the snow, but by late Monday morning the sky was overcast again.
Blizzardlike conditions are forecast for Tuesday and Wednesday. "Today's just kind of a taste of what we're going to get," Hawkins said.
The mountains of Arizona also received snow Sunday, with amounts depending on elevation. Rain was forecast in the lower-lying valley areas of the state, but winter storm warnings stretched as far south as Tucson.
On Wednesday, the storm will move into southern Canada as the coldest air of the season spills across parts of the U.S., forecasters said.
