PORTLAND (WGME) --Optical displays like sun dogs and halos have been spotted across Maine recently, but what causes them? This week’s Climate Chronicles question comes from Amber: The key ingredient: ...

"It’s kind of a jigsaw puzzle where all the different pieces are moving." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Astronomers have ...

Cooler, drier air filtered behind a cold front in a northwesterly flow. Skies will be partly sunny, with temperatures only ...