Winter weather advisories have been issued across the northern Plains states and across the Northeast as of Monday morning. Many of the alerts warned of heavy snow and hazardous road conditions.

4 maps show where cold in U.S. will be most dangerous in coming days Alerts for cold weather are in effect for nearly half of the U.S. population, running from the northern Plains to the Gulf ...

Canadian wildfires are impacting air quality in the Midwest and Northern Plains. Smoke may cause reduced visibility and respiratory problems. Several states, including Indiana, Illinois, and ...

Most of the country is set to experience a hotter-than-average July, but there is a little bit of relief for parts of the ...

An AccuWeather forecast map showed states in the "high" risk zone for Friday included parts of Kentucky, Illinois, and Indiana. As the weekend approaches, the severe threat expands further south.

The National Weather Service said the smoke will impact most of the Northern/Central Plains region and parts of the Lower Missouri River Valley.

A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

States west of the Mississippi River have the highest probability of seeing above-average temperatures next week. The northern Plains states have a 90%-100% chance of warmer-than-normal Christmas ...

A map from the National Weather Service shows which states have roads impacted by winter weather conditions. Snow should taper off in the northern Plains by Monday night. National Weather Service ...

States west of the Mississippi River have the highest probability of seeing above-average temperatures next week. The northern Plains states have a 90%-100% chance of warmer-than-normal Christmas ...