Health officials in Lake County, Illinois, have confirmed the county’s first human case of West Nile Virus (WNV) this year.

The National Weather Service’s Chicago office attributed the alert to unhealthy ozone levels and lingering effects of smoke ...

LAKE COUNTY — The National Weather Service stopped short of issuing a severe thunderstorm warning in Northwest Indiana but ...

The weather service has issued a tornado watch for Lake and McHenry counties as they warn about severe thunderstorms in the Chicagoland area Friday evening.

In the latest twist in the effort to bring Illinois into compliance with a 2023 ruling by the court, eight counties allege the state's tax code requires them to violate the rights of property owners.

The Illinois Department of Public Health regularly tests the water to determine when beaches are safe to reopen.

Dangerous conditions are keeping swimmers out of Lake Michigan on Monday afternoon following a deadly weekend in Northwest ...

Chicago was under a flood watch Thursday night in anticipation of thunderstorms expected to move through the city, according to the National Weather Service.