Heat and a growing thunderstorm threat this weekend will pose a threat to outdoor plans in southern Ontario. A large cluster ...

The first significant heat event of the season with dangerously hot and humid conditions will begin Sunday afternoon and is ...

Philadelphia declares a Heat Health Emergency due to extreme heat, activating services like cooling centers and the PCA Heatline.

A significant and extremely dangerous heat wave begins Sunday and continues through Wednesday. Heat index values may exceed ...

The Big Apple will be burnt to a crisp during a four-day heat wave — with record-breaking temperatures lasting until ...

Nevada Gov. Joe Lombardo did sign several environmental justice bills pushed by Make the Road Nevada, Chispa Nevada, the ...

In addition to the Yellow Alert for a possible overnight severe storm, the First Alert Weather team has issued a Yellow Alert ...

A prolonged period of dangerous heat continues today and will last through at least Tuesday. An Extreme Heat Warning is in place from noon today through 9PM Tuesday for St. Louis and surrounding ...

Leftover showers and storms Sunday morning will give way to developing sunshine along with summer heat and higher humidity. Some areas in southern New Hampshire could reach 90 degrees on Sunday, and ...

When the body hits cold water, it can trigger “cold shock” which causes “dramatic changes in breathing, heart rate and blood ...

UNLV is working to reverse the urban heat island by planting 3,000 trees. The UNLV-led Las Vegas Urban Forestry Initiative received a $5 million grant in 2023 to add drought-tolerant trees throughout ...

Learn more about the latest Phoenix area weather forecast and conditions with Most Accurate Forecast from ABC15.