ERCOT extends weather watch a week as heat not expected to let up

Editor's Note: The above video shares tips for responding to heat-related illnesses.AUSTIN (KXAN) — The Electric Reliability Council of Texas has extended its latest weather watch yet again as summer heat persists in the state.Its watch originally went into effect Sunday and was expected to last until Monday. It then extended it that day to Friday and on Friday announced it would be in place until the following week on Aug. 18. How you can check Texas power grid conditionsWeather watches d