Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

Previously this winter: Icy air has descended on the US. Is the polar vortex to blame? However, a disruption in the vortex – known as "sudden stratospheric warming" – back in mid-March will ...

A late-season storm was bringing snow to much of the eastern half of North Dakota on Tuesday as April got underway.

Previously this winter: Icy air has descended on the US. Is the polar vortex to blame? However, a disruption in the vortex – known as "sudden stratospheric warming" – back in mid-March will finally be ...