Some showers in afternoon maybe?

Forecast Weather models have changed, there is a bit of a system to the north bringing some instability tomorrow. Hopefully a decent day with some building convective cells. Tonight Partly cloudy. 30 percent chance of showers early this evening with risk of a thunderstorm.  Low: 8 °C Sunday Mainly cloudy. 40 percent chance of showers late in the afternoon with risk of a thunderstorm.  High: 22 °C Sunday night Cloudy with 40 percent chance of showers and risk of a thunderstorm.  Low: 11 °C Monday Cloudy with 40 percent chance of showers.  High: 21 °C Tuesday Cloudy with 60 percent chance of showers.  Low: 9 °C High: 17 °C Wednesday Cloudy with 60 percent chance of showers.  Low: 8 °C High: 17 °C Thursday Cloudy with 60 percent chance of showers.  Low: 11 °C High: 17 °C Friday A mix of sun and cloud.  Low: 11 °C High: 20 °C Forecast Issued: Saturday, June 15 2013 16:00 PDT

Almanac For June 16 Value Year Greatest Rainfall (1977-2012) 24.3 mm 1997 Greatest Precipitation (1977-2012) 24.3 mm 1997 Highest Temperature (1977-2012) 27.7 °C 1982 Lowest Temperature (1977-2012) 0.1 °C 1996 Average Maximum Temperature 19.3 °C   Average Minimum Temperature 7.0 °C   Average Temperature 13.2 °C