Chicago Flood Watch: Reversing river flow too early would cause tsunami-like effect

City officials warn that if the Chicago River gates were to be opened too early, in an effort to prevent flooding by reversing the flow of the river, a tsunami-like effect would devastate the downtown area.

How long can Chicago avoid excessive heat?

July is historically the hottest month of the year for Chicago, but the area has been spared excessive heat so far. A cooler pattern coming soon means we will avoid the steamy stuff for at least a few weeks.

Flooding cleanup underway across Chicago area
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Nearly 9 inches of rain fell in some places of the Chicago area Sunday, a record-setting storm.

Flash Flood Warning issued for Chicago area: NWS

A Flash Flood Warning was issued for the Chicago area by the National Weather Service Sunday morning.

Deadly heat wave spreads across US
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The brutal heat wave in Texas that killed over a dozen people is now spreading across the South and parts of the Midwest.

How is air quality measured?

As smoky air from Canada’s wildfires shrouds broad swaths of the U.S., here are seven facts you should know about measuring air quality.

What you need to know about Thursday's heat index in Chicago

The combination of heat and humidity we experience in Chicago can be deadly during the summer. The number of days per year we will be at risk from extreme heat could soar by the middle of this century.

Chicago weather: Awful air quality continues Wednesday
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The smoke for wildfires raging in Canada continues to affect air quality in the Midwest, especially in the Chicago area. On top of the smoke, Chicago will have some sweltering temperatures in the coming days.

Watch: Tornado rips through Indiana apartment complex

Deaths have been reported in Indiana and Georgia after severe weather, including tornadoes, tore paths of destruction from the Midwest to the South on Sunday, leaving more than a half-million people without power.