Tonight...Mostly cloudy. Showers likely with scattered thunderstorms...Tapering off early. Warm with lows in the mid 60s. Light winds...Becoming southwest around 10 mph. Chance of rain 70 percent. Wednesday...Partly sunny in the morning...Then becoming mostly cloudy. A chance of showers and thunderstorms. Warm with highs ranging from the lower 70s along the lake Ontario shore to the mid 80s inland. Southwest winds 5 to 10 mph...Increasing to 10 to 15 mph. Chance of rain 50 percent. Wednesday Night...Showers likely with a chance of thunderstorms. Warm with lows ranging from the upper 60s inland to the lower 60s along the lake Ontario shore. Southwest winds 5 to 10 mph... Increasing to 10 to 15 mph. Chance of rain 70 percent. Thursday...Showers becoming likely in the morning. Cooler with highs ranging from the mid 60s along the lake Ontario shore to the mid 70s inland. Southwest winds 10 to 20 mph with gusts up to 30 mph in the morning...Becoming west. Chance of rain 70 percent. Thursday Night...Showers likely...Tapering off in the evening. Lows in the upper 40s. Light winds...Becoming north 10 to 20 mph. Chance of rain 70 percent. Friday...Partly sunny with a 50 percent chance of showers. Highs in the mid 50s. Friday Night...Partly cloudy. Lows in the lower 40s. Saturday...Mostly sunny. Highs around 60. Saturday Night...Mainly clear. Lows in the lower 40s. Sunday...Mostly sunny. Highs in the lower 60s. Sunday Night...Mainly clear. Lows in the mid 40s. Memorial Day...Mostly sunny. Highs in the upper 60s. Monday Night...Partly cloudy. Lows in the lower 50s.