 WNIS Newstime 1105. The National Weather Service calling for mostly clear skies this overnight, low around 72. Tomorrow, mostly sunny, high near 85. Partly cloudy into Friday night, low around 74. Partly sunny for Saturday with a slight chance of showers and thunderstorms for the afternoon. The heat returns with a high near 92. Heat index values up to 102. Saturday night staying mostly cloudy, low around 77.