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44 storiesnewest firstlatest October 1, 2026page 1 of 3
Heat watches covering coastal and valley areas of Los Angeles County will run from Friday through Thursday, with temperatures 10‑15°F above normal, part of a long heat spell in Southern California.
Chicago Public Schools moved all outdoor activities indoors on September 3, 2026 after an Extreme Heat Warning was issued for parts of the city, cancelling outdoor recess and sports for the day.
The National Weather Service extended a heat advisory for twelve Chicago‑area counties, set to expire at 9 p.m. Wednesday, due to continued hot and humid weather.
The National Weather Service has issued a heat advisory for ten counties in northern Illinois and northwest Indiana, warning of heat index values approaching 105°F on September 1‑2, 2026. Residents are urged to take precautions during the advisory hours due to a late‑summer heat wave.
A Chicago study links extreme heat to higher emergency‑room visits for dehydration, heat‑related illness and heart problems, highlighting added strain on the city’s medical system during heat spells.
A heat advisory on Tuesday, August 25, prompted many people to visit Orange County beaches, leading officials to closely monitor marine conditions and safety throughout the afternoon.
Bishop Alemany High School in Mission Hills introduced a heat‑safety plan on August 25 to protect students amid extreme temperatures sweeping the San Fernando Valley, reflecting a wider move by local schools to address heat‑related health risks.
The National Weather Service reports that the heat wave in Southern California, including Los Angeles, has become unusually oppressive this week, with hotter nights and intensified beach heat, marking a shift from earlier typical summer temperatures.
Forecasters warn that Los Angeles and surrounding valleys will face the hottest week of the year, with temperatures above 100°F from August 23‑29, 2026.
The National Weather Service issued a heat advisory for Orange County, the Inland Empire and the San Bernardino and Riverside mountains, effective through Aug. 24, as temperatures exceed 100°F. The warning cites high daytime and warm night temperatures amid a regional heat wave expected to intensify next week.
A heat advisory covering most of Southern California will run from August 18 to 20, with temperatures forecast between 92°F and 105°F, prompting health warnings and precautionary measures.
Twenty Chicago public pools, including thirteen in high‑risk heat zones, will stay open through Labor Day to help residents cope with extreme heat.
A heat advisory was issued for inland Southern California on August 9, 2026 as temperatures reach 100°F, warning of heightened fire danger and potential coastal flooding.
New York City faces unusually high temperatures and a chance of severe storms on August 8‑9, 2026, prompting meteorologists to warn of sweltering conditions and advise standard heat safety measures.
Forecasts call for triple-digit temperatures on Saturday, August 8, across inland Southern California, extending a long period of extreme heat in Los Angeles and West Hollywood.
AccuWeather predicts that dangerous heat and humidity will persist across New York City through Saturday, August 8, due to a lingering tropical air mass, prompting health advisories and precautionary measures.
A Montreal non‑profit distributed blue freshness kits containing fans, spray bottles, thermometers and safety pamphlets to at‑risk residents in Parc‑Extension on July 15, 2026, aiming to prevent heat‑related health problems during an extreme heat spell.
A high‑pressure heat dome is raising temperatures across the United States on July 14, 2026, prompting health officials to advise residents to stay hydrated and watch for heat‑related illness.
Environment Canada issued heat warnings and air‑quality alerts on July 12 covering central Canada from Regina to Quebec as a heat wave drives unusually high temperatures. The agency warns of health and air‑quality risks and urges residents to follow local guidance.
Environment Canada issued heat warnings and air‑quality alerts for Regina, Winnipeg, northern and southern Ontario, and Quebec on July 12, 2026 as a heat wave continues across central Canada. The advisories aim to inform residents of health risks and potential air‑quality concerns during the prolonged high temperatures.
