Environment and Climate Change Canada has issued heat warningsfor much of southern Alberta and into southeastern Saskatchewan. The federal agency says temperatures could reach 37 C this weekend in some areas of Alberta. It says the extreme heat is expected to continue into early next week. The warnings include the cities of Calgary, Lethbridge and…

An extreme heat wave is grilling the southern United States, bringing scorching temperatures and putting over 100 million Americans under various grades of heat alerts, with forecasters warning that the worst is yet to come. “The heat is going to be expanding across California, Nevada, Arizona and all the way into west Texas into this weekend, and…

LOS ANGELES—More high temperatures and dangerously hot conditions are expected on July 13 in Southern California and will last through the weekend. “A prolonged heat wave is expected across the region Thursday through at least this weekend thanks to a sprawling ridge of high pressure,” according to the National Weather Service. “A stubborn marine layer…

Forecasters warn of a long and intense heat wave coming for the Southwest United States that could rank among the most severe in recent history. The focal point of the blistering heat will fall mostly on Arizona, California, and New Mexico, with peak intensity expected later next week, according to regional offices of the National…

LOS ANGELES—An excessive heat warning was extended for another day July 2 as parts of Southern California continue to bake under extreme heat during the long holiday weekend. The warning is now in effect until 8 p.m. Monday in the Santa Clarita Valley, the Antelope Valley, and the foothills, according to the National Weather Service…

Southern Californians should expect a hot and sunny weekend as the season’s first mini heat wave arrives. Cool and breezy days will be replaced by warmer temperatures Saturday and Sunday as thermometers climb 5 to 10 degrees in downtown Los Angeles and into the 90s in the valleys, according to the National Weather Service. “It’s…

TULSA, Okla.—Thousands of residents in Oklahoma and Louisiana remained without electricity Wednesday as work crews continued to repair power lines damaged by weekend storms. In Tulsa, Oklahoma, less than 92,000 customers remained without power after three tornadoes northeast of the city caused extensive damage Sunday, including downed trees and hundreds of snapped utility poles. The…

LOUIN, Miss.—Multiple tornadoes swept through Mississippi overnight, killing one and injuring nearly two dozen, officials said Monday. State emergency workers were still working with counties to assess the damage from storms in which high temperatures and hail in some areas accompanied tornadoes. The death and injuries were reported by officials in eastern Mississippi’s Jasper County….

Forecasters warned people celebrating Father’s Day outdoors to take precautions as triple-digit temperatures prompted heat advisories across much of the southern U.S., triggered thunderstorms that knocked out power from Oklahoma to Mississippi and whipped up winds that raised wildfire threats in Arizona and New Mexico. A suspected tornado struck near Scranton, Arkansas early Sunday, destroying…

A dangerous heat wave that helped spawn deadly tornadoes in Texas and Florida threatened on Friday to bring more extreme weather to the South, prompting the National Weather Service to warn Americans to limit time outdoors over the long Juneteenth weekend. At least four people were killed in twisters that touched down on Thursday in the…