ABC4 has obtained footage of the mass casualty incident in Green River, Wyoming. (Courtesy of Cowboy State Daily) ...

A fiery pileup Friday at an Interstate 80 tunnel in southwestern Wyoming killed at least two people, seriously injured at least five others and shut down the highway.

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America’s winter of repeated polar vortex invasions, meteorologists warn.

Partly cloudy. Medium chance of showers, most likely during this afternoon and evening. The chance of a thunderstorm about the nearby hills early this morning. Winds west to southwesterly 15 to 20 ...

Partly cloudy. Medium chance of showers. Light winds becoming northerly 15 to 20 km/h in the middle of the day then becoming light in the evening. Partly cloudy. Very high chance of showers. The ...