The Chicago area will see spectacular weather day on Sunday, but some big changes are coming to the forecast as the start of summer arrives.

Why many business owners are considering risky trade-offs that could leave them vulnerable if disaster strikes.

Mild and sunny weather continues in Chicago, but smoke and a nearby front may influence temperatures and bring scattered storms later in the week.

A severe thunderstorm warning was issued for part of the Chicago area Tuesday afternoon, with the potential for more severe weather also looming later in the day. The warning was issued for McHenry ...

Hazy skies and warm temperatures continue in Chicago due to lingering Canadian wildfire smoke, with storms expected midweek.

New data says there's an 80% chance the world will break another annual temperature record in the next five years.

The Chicago weather forecast Monday called for a warm and windy day, with a severe weather outbreak across parts of the Midwest threatening to move into Illinois by evening. "Out to the west ...

If Chicago, for example, has stormy weather that lingers past the morning hours, it could prevent severe thunderstorms ... with the potential for “high impacts and life-threatening flash ...

How Wednesday’s severe weather will impact specific metro areas or what time the brunt of the storms are expected to hit is still unclear at this time, Ratzer said. “It looks like it will have ...