Record-breaking temperatures expected to last through Tuesday

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SAN DIEGO - Temperatures on the field at Qualcomm Stadium were well above 100 degrees before today's NFL kickoff, while most San Diego Unified School District students will get out of school early Monday due to the heat wave.

The Chargers' official twitter account posted a picture at 12:38 p.m., showing a thermometer reading of 120 degrees on the field.

Hot weather was being reported across San Diego County, with temperatures above 100 in many inland communities. The county's valleys remained under a heat advisory by the National Weather Service that was expected to expire Tuesday evening.

The soaring temperatures prompted the San Diego Unified School District to announce a minimum day for more than 100 schools Monday. Any school in the district without full air conditioning will have its school day shortened.

At about 1 p.m., the NWS reported temperatures of 102 at Gillespie Field in El Cajon, 101 in Ramona, Alpine and Lakeside and 100 in San Marcos and Valley Center.

The high temperatures prompted San Diego Gas & Electric to place extra workers on standby throughout the weekend to deal with unexpected outages and to acquire extra power to meet demand, according to a statement Friday.

The utility announced that customers who participate in the ``Reduce Your Use'' rewards program would be eligible for a credit on their bills for saving electricity between 11 a.m. and 6 p.m. Monday.

The county announced a public list of more than 100 ``cool zones'' where county residents could beat the heat throughout the weekend and on Monday and Tuesday. The list included public spaces like libraries and shopping malls where people can escape the heat and get into some air conditioning. A link to a list of locations is available at .