Extreme heat is in Georgia, with heat index possibly reaching 110 degrees and more on Tuesday. Here's what to expect.

Power outages and downed trees are reported as storms fire up across parts of Ontario and Quebec. Folks are reminded to take shelter immediately if and when severe weather strikes.

Unusual rains make most places vulnerable to floods because drainage infrastructure is generally designed based on historical ...

A heat dome happens when hot air is trapped over an area due to a persistent high pressure system, William Gallus, a ...

The ISS will travel over part of the U.S. and Canada on Thursday night, giving millions a chance to view it as it flies by.

The heat dome won't dissipate soon. Dangerous heat is expected across parts of the Central and Southeast. through July, the weather service says. High temperatures will reach 100 degrees from Texas to ...

After three days of heat advisories, Florida will find respite from the heat in the wet embrace of a "tropical rainstorm." ...

Orleans and Jefferson Parishes are urging residents to take precautions and offering resources to help beat the heat.

A heat advisory goes into effect Thursday for parts of Connecticut where heat index values will soar past 100 degrees on ...

Multiple states are under extreme heat warnings, advisories or watches on July 23, according to the National Weather Service.

Wind shear (red - strong shear; green - low shear). Shear is typically strong to start the hurricane season: ...

A heat dome​ is trapping over 90 million Americans in extreme temperatures this week with the National Weather Service​ ...