Meteorologists warn to dress properly to avoid frostbite as bone-chilling temperatures move into the Chicago area this week.

Bitter cold temperatures and wind chills far below zero are expected in the Chicago area Sunday, Monday, Tuesday and Wednesday.

AccuWeather's Tony Laubach reported from southern Illinois on Jan. 6, where a layer of ice was causing significant problems.

The St. Louis region could see more snow by the weekend, with forecasts predicting up to two additional inches after a recent storm.

Parts of the U.S. have been forecast to receive snow through Friday night, a forecast map by AccuWeather shows. Much of the country has been hit with plunging temperatures this month, and numerous states were under advisories from the National Weather Service (NWS) as of Friday morning.

Meteorologists predict another winter storm this week, delivering snow and ice from New Mexico to parts of the Tennessee Valley.

Meteorologists warn to dress properly to avoid frostbite as bone-chilling temperatures move into the Chicago area this week.

Amtrak has expanded its list of train cancellations in and out of Chicago because of a forecast of “extremely cold temperatures” to include an extensive number of state-supported services to Illinois and adjacent states.

Topography matters, too — treeless mountain peaks are typically windier without those trees, or buildings, to slow the winds. And different parts of Earth — water and land — heat from sunlight at different rates, which shapes wind.

It was a week of fire and ice. It began with millions of people across the U.S. shivering amid blizzard conditions and frigid air that lasted for days, thanks to a jet stream that slips out of its usual path more often these days.

It is currently about 36 degrees in Omaha. There will be a high of about 43 degrees tomorrow and a high of about 44 degrees on Friday. Temperatures are supposed to dip below zero Sunday night with a low of about negative 2 degrees and Monday night with a low of about negative 4 degrees. Tuesday will see a high of about 20 degrees.

Los Angeles' wildfires spurred a political debate about whether California should continue receiving unconditional federal aid in the wake of the disaster. Wildfires have ravaged LA for over a week, having burned through more than 40,