Winter ice storms: Unusual weather patterns have created record-setting warm weather in some parts of the country, while leaving other states coated in ice.
Oklahoma tornadoes leave one dead on Sunday. But tornado warnings saved lives in Oklahoma, say officials. The National Weather Service says more tornadoes are forecast for Monday afternoon.
On Sunday further evacuations in Oklahoma were necessary, as wildfires continue to grow and progress across the state. In one town nearly five dozen homes and buildings were destroyed.
Tornado sirens aren't designed to awaken residents and aren't fail-proof, as Woodward, Okla. learned. What tornado warnings were effective this past weekend.
Tornado watch: A violent storm system, which followed closely behind the one that spawned a massive twister which struck Joplin, Mo., moves through the Oklahoma City area Tuesday evening.