Wikipedia:Featured pictures/Natural phenomena/Atmospheric optics

Sunset, by Fir0002

Sunset with funnel clouds at Red, by Fir0002

Lightning, by Mircea Madau (edited by diego_pmc)

Crepuscular rays, by Blaise Frazier

Crepuscular rays, by Fir0002

Rainbow by Wing-Chi Poon

Lightning, by Fir0002

Sun dogs, by Axda0002 (edited by jjron)

Crepuscular rays, by Mila Zinkova

Steam phase eruption of Castle Geyser (at rainbow), by Mbz1

Halo around the sun at Halo (optical phenomenon), by Lt. Cindy McFee (edited by diego_pmc)

Aurora australis at Amundsen-Scott South Pole Station, by Chris Danals, National Science Foundation (edited by Diliff)

Martian sunset at Spirit rover, by NASA