Merger of storms helped form May 22 tornado

For two days before May 22, the Storm Prediction Center in Norman, Okla., suggested there was a 30 percent chance of severe thunderstorms that day.

Nation wilts as heat wave spreads eastward

Warnings about excessive heat stretched from Kansas to Maine and the Carolinas. Temperatures were forecast near or into the triple digits Friday.

Five ways to stay cool tonight in Columbia

To escape the heat, here's a list of five ways to stay cool Friday night.

Severe heat in the Plains spreads eastward to more states

Hot weather that has plagued the Plains for days spread eastward Thursday, putting residents of several more states under a sizzling sun and excessive heat warnings.

High temperatures result of heat 'dome'

A dome of high pressure, extraordinary in scope and duration, is causing record-setting  heat from North Dakota to Texas.

PHOTO GALLERY: Wednesday proves sweltering

Children and adults both look for ways to get through another hot day.

PHOTO GALLERY: Taking a tour through the heat wave

People around the nation are looking for relief from oppressive heat.

In severe heat, outdoor animals need plenty of shade, water

As the Midwest simmers in an extended heat wave, people need to keep an eye on their animals, the Humane Society advises. Dogs and horses are at greatest risk of dehydration.

Homeless people find reprieve from the heat at Salvation Army Harbor House

Occupancy at Harbor House has risen from 55 percent to 80 percent over the last couple of weeks, during a heat wave called "life threatening" for the homeless.

Nixon pledges $122 million for Joplin home rebuilding

Gov. Jay Nixon plans to allot state and federal aid to single-family, low- and moderate-income homeowners. The plan would use about 38 percent of the state's annual share of low-income housing tax credits.

The heat goes on: Midwest heat wave expected to persist

Seventeen states issued heat watches, warnings or advisories Monday.

It's so hot that ...

How would you finish that sentence? Here's one from the newsroom.

It's so hot that Missouri winters no longer scare me.

What's your answer?

PHOTO GALLERY: Summer heat

The heat index is expected to hover between 105 and 115 degrees this week, according to the National Weather Service. Children at summer camp are spending more time indoors, and air conditioning repairs have been more frequent.

Dangerous heat conditions likely to prevail all week

With heat indices expected to reach between 105 and 115 degrees this week, children in summer camps are trying to keep cool, while air-conditioning units are flying off the shelves at Lowe's and Home Depot.

High temperatures around the U.S. and beyond

Does it make you feel better that there's a heat wave in Canada, too? Check out these links for some perspective, along with tricks for staying cool.

National Weather Service issues weeklong heat advisory

Temperatures are expected to remain in the mid-90s and lower 100s through Friday. The heat index is expected to push temperatures to between 105 and 115 degrees.

Wide range of ideas proposed for Joplin rebuilding

Residents are beginning to propose ideas for how to rebuild the tornado-ravaged city.

Army Corps of Engineers to reduce Missouri River dam releases

The corps will reportedly trim the releases slowly so the dam can process water still coming in from upstream. 

Federal flood buyouts top $2 billion since 1993

Since 1993, the Federal Emergency Management Agency has spent more than $2 billion on properties in river towns nationwide. Now, another round of buyouts seems likely.

Boone County under severe thunderstorm watch until 9 p.m.

The severe thunderstorm watch is in effect until 9 p.m Tuesday. The watch is in effect for mid-Missouri counties, including Boone County.