Tonight...Partly cloudy early. A chance of showers and thunderstorms early...Then showers and thunderstorms likely after midnight. Some thunderstorms May produce damaging winds and large hail late this evening. Warm with lows in the mid 60s. Southwest winds 10 mph or less...Becoming south. Chance of rain 70 percent. Thursday...Showers likely in the morning...Then showers with a chance of thunderstorms in the afternoon. Cooler with highs ranging from around 70 along the lake Ontario shore to the mid 70s inland. Southwest winds 5 to 10 mph...Becoming west 10 to 15 mph. Chance of rain 80 percent. Thursday Night...Showers. Much cooler. Less humid with lows in the upper 40s. West winds 10 to 15 mph...Becoming north. Chance of rain 80 percent. Friday...Showers. Cool with highs in the upper 50s. North winds 10 to 20 mph...Becoming northwest. Chance of rain 80 percent. Friday Night...Partly cloudy. A chance of showers in the evening. Lows in the lower 40s. Northwest winds 10 to 15 mph. Chance of rain 30 percent. Saturday...Mostly sunny. Highs in the lower 60s. Saturday Night...Partly cloudy. Lows in the lower 40s. Sunday...Sunny. Highs in the lower 60s. Sunday Night...Mainly clear. Lows in the mid 40s. Memorial Day...Sunny. Highs in the upper 60s. Monday Night...Mainly clear. Lows in the upper 40s. Tuesday...Sunny. Highs in the mid 70s. Tuesday Night...Mainly clear. Lows in the lower 50s.