Strong thunderstorms moving across Alabama, Mississippi and Tennessee Friday are capable of producing damaging winds, large hail and a risk of a few tornadoes.
Mount Saint Helens has erupted several times since the destructive 1980 eruption, and likely will again in the future.
While there is a threat for a shower in spots in Baltimore, Md., on Saturday, it should not be a washout like the day of the Kentucky Derby.
Thunderstorms with hail, damaging winds and tornadoes will push through the Plains during the weekend and into Monday.
Astronomers say radiation will disrupt cell phone, radio and GPS communications, and could potentially lead to "one heck of an aurora."
A magnitude 4.4 earthquake occurred 43 miles northwest of Ottawa around 10 a.m.
Homes built by volunteers from Habitat for Humanity were among the hardest hit by a tornado that killed at least six people in North Texas.
Severe weather will continue into the weekend across the Plains with thunderstorms and high winds.
All residents reported missing after an outbreak of 16 tornadoes ripped through North Texas Wednesday night killing 6 people and injuring dozens more, have been accounted for, authorities say.
Chinese authorities say rainstorms that battered southern China this week have killed 33 people and left 12 people missing.