 WNIS Newstime 1106. The National Weather Service has an excessive heat warning in effect from 11 a.m. this morning until 8 p.m. this evening. For today, looking mostly sunny skies, high near 97, heat index up to 111. Headed into the afternoon, showers and thunderstorms likely and staying likely into tonight. Otherwise, tonight mostly cloudy, low around 76. For tomorrow, mostly cloudy with a chance of showers and thunderstorms as well, high near 91, heat index up to 105. Currently 89 on the south side, 88 on the peninsula. The following program was previously recorded.