Today's high hit 102 degrees at 4:59 p.m., and the low was 69 degrees at 4:02 a.m. at Tucson International Airport, according to the National Weather Service.

On Wednesday, the forecast calls for partly cloudy skies with more triple-digit heat.

The high is expected to reach between 101 to 106 degrees, and the low between 68 to 73 degrees, says the weather service.