AccuWeather meteorologists predict Las Vegas could see temperatures rise to 104 degrees Fahrenheit, breaking a record of 103 set in 1978, the outlet said. The weather service has an even hotter outlook, warning temperatures in the greater Las Vegas area could reach as high as 108 degrees Fahrenheit.

Spiking temperatures added to the challenges facing firefighters struggling to contain a stubborn Southern California wildfire, as the total acres burned in the state this year surpassed 1 million.

A few hours away in the Bay Area, San Francisco is poised to hit 90 degrees on Tuesday, but unlikely to break any records (the record is 97 degrees). If the city reaches this point, it will be the hottest temperature recorded so far this year.

The heat will intensify this Tuesday in Northern California to start the month of October. Meteorologist Tamara Berg said Tuesday's forecast high in downtown Sacramento is 100 degrees, up from 92 degrees recorded Monday. The average for this time of year is 85 degrees.

The Line Fire's surge pushed the total acres burned across the state in 2024 to 1,001,993 as of Tuesday morning, according to Cal Fire.

Summer may be over, but Mother Nature will turn up the heat in parts of Southern California Tuesday, with “dangerously hot temperatures” possible in some areas, along with increased risk of wildfires.

An autumn heat wave will bring temperatures as much as 25 degrees above normal to California this week, likely setting records in many locations. After temperatures were near normal over the weekend,