Warm, mostly sunny weather continues for San Diego. Coastal and inland communities will be nice and calm this week, while the mountains and deserts see more extreme heat.

More than 70 million Americans sweated through the muggiest first two months of summer on record as climate change has noticeably dialed up the Eastern United States' humidity in recent decades, an ...

San Luis Obispo County can expect a small heat wave while smoke from the Gifford Fire spreads throughout the atmosphere. An ...

Environment Canada is forecasting a sunny morning in Welland. The daytime high is expected to reach 32 C. Tonight, expect ...

Your Saturday evening will be a little cooler thanks to a returning light Delta Breeze, but hot weather returns on Sunday.

While the mountains will continue to face a Heat Advisory through Monday at 8 p.m., the deserts will stay under an Extreme Heat Warning through 8 p.m. Tuesday.

Thunderstorm chances will ramp up around sunrise and linger through noon, but the rest of the afternoon will be mostly dry.

Most burning is prohibited across Atlantic Canada this weekend as favourable fire weather conditions blanket the region ...

A heat warning has been issued for Prince Edward Island, with temperatures from Sunday through Wednesday forecast to reach 31 ...

The Perseid meteor shower, among the most beautiful in the Northern Hemisphere, is expected to peak on the evenings of Aug. 12 and 13, and will be visible through Aug. 23.

Thunderstorms may put a damper on your weekend as the severe weather threat spreads across northern Ontario and Quebec on Saturday.

Another day of triple digit temperatures in the Valley and upper 90s in the Foothills and there is more in store for Monday, ...