Tonight: Partly cloudy with the occasional light to moderate shower and the low (30%) chance of a heavy shower or thunderstorm. Tomorrow: Variably cloudy with occasional breezy periods and brief scattered showers. There is a medium (60%) chance of isolated heavy showers or thunderstorm activity. Some improvement is expected towards the evening but partly cloudy conditions will persist into the night. N.B. Winds may become gusty in the vicinity of showers and street flooding is likely in the event of heavy downpours.