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.

Heat warnings have been issued for parts of British Columbia as another round of hot weather builds across the province.

Northern California's first heat wave of the year continues on Sunday as part of a four-day stretch of triple-digit heat.

More than 70 million Americans have experienced the muggiest start to summer on record, with climate change increasing ...

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 ...

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.

The Perseid meteor shower, among the most beautiful in the Northern Hemisphere, is expected to peak on the evenings of Aug.

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

Magnolia sees a hot, mainly sunny weekend ahead with a slight chance of afternoon storms Monday. The full Sturgeon Moon ...

The map above shows Gifford’s evacuation area in red and the approximate fire perimeter as a black line. Shown as a gray tone ...