Arizona Cardinals this Sunday at 1 p.m., all but ensuring that fans and players will be out in the heat of the day.

Some cities in Northern California are seeing temperatures in the upper 90s and lower 100s. Temperatures are generally in the mid-80s this time of year.

Millions of Californians are still facing extreme heat advisories into the weekend. Officials are urging residents to take precautions.

Millions of Californians are still facing extreme heat advisories into the weekend. Officials are urging residents to take precautions.

However, the heat will not likely surpass daily records this week — and here is why. In early October 1987, a strong high-pressure ridge and Santa Lucia (northeasterly) winds triggered an intense heatwave across California.

Warmer temperatures in October are nothing new in Southern California, but this fall heat wave is going to bring the triple digit temperatures in some places, forecasts say. “In general this weekend will be very hot,

Though the current heat wave peaked on Wednesday, the outlook going into the weekend doesn't bring much relief, according to the National Weather Service.