South Valley Forecast KSEE Weather AJ Fox has your forecast for the Southern San Joaquin Valley. by: AJ Fox, KSEE 24 Chief Meteorologist Posted: Jul 10, 2020 / 06:08 PM PDT / Updated: Jul 10, 2020 / 06:08 PM PDT HEAT ADVISORY!Extreme heat this weekend in the South Valley. Some relief next week.