At the same time, a developing tropical storm is expected to head toward the state later this week. The agency charged with managing the Texas power grid said it is preparing for both high heat and a possible tropical storm to put pressure on the system this week. What we know:Temperatures above 100 degrees with feels-like temperatures near 110 degrees are forecast for much of the state this week. Related articleWhat they're saying:According to the Electric Reliability Council of Texas, those weather systems could lead to near record-high power demand. "ERCOT is expecting moderately high to high demand with peaks in the mid-80,000- to lower-90,000-megawatt range," the agency said in a post on X on Monday.