There is a significant tornado risk from western Nebraska through western Oklahoma.
See how far away severe thunderstorms are as we monitor the severe weather with these radar images.
Heavy rain returning to the northern Plains will generate a renewed flood threat for the Red River.
Mount Saint Helens has erupted several times since the destructive 1980 eruption, and likely will again in the future.
Seven homes have been red tagged, meaning do not occupy, and six others are under a voluntary evacuation order.
Though recovery continues from Superstorm Sandy, residents and homeowners on the Atlantic coast should prepare for another active season in 2013.
While there is a threat for a shower in spots in Baltimore, Md., today, it will not be a washout like the day of the Kentucky Derby.
AccuWeather.com Meteorologists are tracking severe thunderstorms which are developing across the Plains.
The volcano is in a rather remote spot, and the biggest price will be to airlines caused by the ash.
Smoke from fires in the Yucatan Peninsula will affect parts of Texas and Louisiana over the weekend.
The potential for isolated severe weather will creep up in the Northern Plains, Texas and the Gulf States.
Moorhead, MN (2007)
Heavy rainfall caused streets to flood over curbs and ditches to fill up. Quarter-sized hail also fell.
Philadelphia, PA (2001)
24th straight day without measurable rain.
Pueblo, CO (1996)
99 degrees, hottest ever so early in the season.