Travel delays are mounting as airports on the east coast experience ground stops due to thunderstorms. Chicago streets were flooded by heavy rain and millions baked in extreme heat with brutal temperatures expected to continue into the weekend.

The National Weather Service released a flash flood warning at 8:38 a.m. on Friday in effect until 11:30 a.m. for Greene County.

A flash flood warning was released by the National Weather Service on Thursday at 3 p.m. EDT in effect until 6 p.m. EDT for Alpena and Presque Isle counties.

While some storms will start impacting the region this evening, rainfall is likely to intensify overnight. With humidity remaining at very high levels, any precipitation could quickly turn to torrential rainfall.

The NWS issued a flash flood warning for Chicago and surrounding areas, urging 600,000 residents to ‘take immediate precautions to protect life and property’

Rescue teams in northern Pakistan expanded their search Friday using heavy machinery to locate at least a dozen tourists who went missing earlier this week after being swept away by flash floods triggered by heavy monsoon,

This year is poised to become “one of the most flood-impacted summers on record” in the U.S., according to a new report from AccuWeather. Flash floods are defined by the National Weather Service (NWS) as flooding that begins within three to six hours of “extremely heavy” rainfall from thunderstorms.

A flash flood warning was issued by the National Weather Service in Denver at 1:23 p.m. on Thursday, July 24. This warning applies to Larimer County.