Wildfires from the West Coast are sending clouds of smoke and haze across the Western and Midwestern regions of the United States. Canada is also experiencing hazy skies.

Smoke is expected to expand across the northern United States and most of Canada in the next few days, according to AccuWeather forecasters. ... Air quality in Iowa impaired by West Coast wildfires.

The last two years along the West Coast have been wet, ... Oregon, Idaho, kind of all over the Western United States," Iowa DNR Fire Program Supervisor Ryan Harr said. "And we're always in flux, ...

More than third of the US population is under air quality alerts, covering more than a dozen states from the Midwest to the East Coast, as smoke from Canadian wildfires sweeps across parts of the ...

Winter weather conditions are possible across much of the United States this weekend. Winter storm warnings are in place for California's Sierra Nevada mountains until 10 p.m. Saturday, where 6 to ...

Friday weather: Ice storm warnings cover Midwest, as arctic blast slams East Coast. The eastern half of the United States is enduring the latest arctic blast.

Maximum alert in the United States for a devastating 300-meter megatsunami that could devastate the entire West Coast. Experts sound the alarm over potential disaster ...

The weather pattern along the West Coast of the United States has become active with bouts of rain, ice and mountain snow, and AccuWeather meteorologists say that the Pacific storm train won't be ...