Mammatus clouds cover western Maryland

Stunning mammatus clouds hover over Nebraska

Stunning mammatus clouds at sunset near Roswell, New Mexico

Ominous clouds loom overhead in severe storm

Ominous funnel cloud looms overhead in tornado-warned storm

Eerie funnel clouds appear overhead in wake of possible tornado

Ominous clouds loom in the distance

Storm clouds loom over flatland

Ominous storm clouds loom over Texas coast

Dark clouds loom as tornado outbreak threatens Texas

Dark clouds loom as lightning flashes over city

Harsh winds and stormy clouds looming over the beach

Ominous clouds loom over Harrisburg

Beautiful yet ominous storm clouds loom over chocolate town

Tornado-warned storm looms ominously overhead

Large tornado looms ominously overhead

Thunderstorms loom overhead

Baseball-sized hail splashes in pond as mothership supercell looms overhead

Massive dust cloud looms over Sioux Falls

Massive shelf cloud looms above Falcon 9 rocket before launch

April snow blankets Colorado landscapes

Severe storms will be limited for most of the 4th week of April

Spring snow returning to parts of Colorado

Your Saturday travel forecast across the US

Pollen ramping up in parts of the US this weekend

Nova explosion may appear as "new star" in 2024