Periods of thunderstorms and rain showers. Some thunderstorms may produce damaging winds after midnight. Some thunderstorms may be severe late in the afternoon. Highs 74 to 80 near the lake and in the lower 80s inland. Lows 58 to 63 near the lake and 62 to 68 inland. South winds 5 to 15 mph. Chance of precipitation 80 percent.