A heat dome over the Four Corners region is building and expanding which will crank up afternoon temperatures and allow for an influx of tropical moisture for the rest of this week.

San Diego County is expecting warm weather and increased monsoonal moisture, which could bring thunderstorms and an elevated ...

Southern California faces a heatwave with temperatures forecast to exceed average levels by up to 10 degrees inland.

Hotter the rest of the week with Heat Advisories and Warnings starting Wednesday. Monsoon moisture pumps in higher humidity by week's end.

A warming trend is expected to bring some hot temperatures to parts of San Diego County this weekend. Monsoon moisture will also increase going into the weekend, increasing the chances for showers and ...

An extreme heat watch has been issued for San Diego County mountain and desert areas later this week, with temperatures expected to reach up to 114 degrees. Monsoons could also bring ...

Across the inland valleys and in the mountains, meanwhile, the temperatures are likely to climb into the mid-90s to around ...

San Diego experiences cooler-than-average August temperatures with a slight warm-up expected, and a potential return of ...

Imperial County will have cooling and hydration centers open to help people stay safe during the extreme heat warning from ...

San Diego will experience a gradual increase in temperatures this week, with highs ranging from 72-97 degrees, and a 10-20% ...

Turning up the heat and humidity for the second half of the week as monsoon moisture surges in bringing a chance of showers & thunderstorms to parts of the county.

The National Weather Service warns of "the most significant heat wave of the summer season" in parts of California. Elevated fire danger is predicted from heat and thunderstorms.