A heat wave is described as an event when abnormally hot and humid conditions occur; lasting two days or longer. Highs Thursday through Father’s Day weekend will rise into the mid to upper 90s.

States in the Midwest and Northeast could reach record temperatures in the coming days: Here’s where and when.

High temperatures will rebound into the mid to upper 80s on Friday with a few clouds filtering in later in the day ... in the 90s with heat index values near or above 100° are likely this weekend ...

Chicago weather forecast includes chance of showers, comfortable temperatures, with a hotter and potentially stormy start to ...

High temperatures will rebound into the mid to upper 80s on Friday with a few clouds filtering in later in the day. Summer officially ... lows in the 60s to near 70 Our first heat wave of the year ...