Gov. Nixon activates Guard to help Joplin

Potential exists for flooding after heavy rains

Heavy rains Friday could cause creeks and streams to flood. Motorists are urged to use caution.

Federal scientists study wild weather during April

U.S. scientists looked for the fingerprints of global warming and La Nina on last month's deadly tornadoes, but couldn't find evidence to blame those oft-cited weather phenomena.


National Weather Service expecting record high for Columbia on Tuesday

The National Weather Service in St. Louis is predicting highs in the low 90's in mid-Missouri early this week.

Levee blast means lost year for Missouri farmers

The explosion of the levee near Cairo, Ill., has dumped floodwater onto more than 200 square miles of farmland in Missouri. The farmers won't be able to plant almost any crops in 2011.

Flood unease builds south along Mississippi River

More Mississippi River spillways may be breached to ease flooding concerns. In Cairo, Ill., the Ohio had dropped to 60 feet, about a foot and a half lower than it was at the time of the breach.

Frost likely to form in Columbia early Wednesday morning

The frost may harm temperature-sensitive plants typically grown during late spring and summer.

Heavy, sudden flooding continues with 5 inches of rain

Downpours caused more evacuations in areas where the water had been receding.

PHOTO GALLERY: Day-by-day coverage of 2011 flood — Day 5

The mayor of Cairo, Ill., said the well-being of his 2,800 residents outweighs farmland that would be swallowed up by the rush of water.

Obama touring tornado damage: 'I've never seen devastation like this'

As many as a million homes and businesses in Alabama were without power, and Alabama Gov. Robert Bentley said 2,000 National Guard troops had been activated to help.

TORNADOES: Information about the Southern storms

At least 280 people have been reported dead following a storm system that spawned dozens of tornadoes in the Southern United States on Wednesday.

PHOTO GALLERY: Tornado damage in Alabama

The death toll from the wave of severe storms and tornadoes in the southern United States on Wednesday has risen to over 200. On Thursday, Alabama residents returned to their homes to survey the damage.

Death toll from severe Southern storms climbs above 200

The storms Wednesday spawned tornadoes and winds in five Southern states: Alabama, Virginia, Tennessee, Mississippi, and Georgia. All five states have reported fatalities; 128 have been confirmed dead in Alabama.

Volunteers work to stop flooding in southeast Missouri towns

Relentless rain over the past several days has residents rushing to prevent floodwaters from invading their communities.

Poplar Bluff avoids deaths from storms; flooding persists in Midwest

Although Missouri has no death toll from the recent storms and tornadoes ravaging parts of the Midwest, others have not been as lucky.

PHOTO GALLERY: Levee breached; Poplar Bluff flooded

After days of rain, parts of Poplar Bluff have been submerged. One of the levees has been breached by the Black River, and some residents are evacuating their homes. The Red Cross has set up a shelter at the Black River Coliseum.

Levees ready to burst as rain pounds central U.S.

Floodwaters are rising all over the Midwest. Popular Bluff is an area of great concern with 1,000 residents already evacuated and more expected by Tuesday afternoon.

All-county tornado sirens intended to provide more useful warning

Tornado sirens are set up to sound for any threat in Boone County. This policy is based on the unpredictable nature of tornadoes.

Weather Service details St. Louis tornado

The National Weather Service has compiled maps, photos and updated information about the Good Friday tornado.

UPDATE: Unconfirmed tornadoes strike St. Louis, surrounding communities

Damage occurred at Lambert-St. Louis International Airport and at several communities around the airport, including: Bridgeton, St. Ann, Ferguson and Florissant.