Risk of a thunderstorm late this afternoon

Forecast Some instability over the next couple days will add to the chance of a afternoon thunder shower. Today Sunny. Increasing cloudiness this afternoon then 40 percent chance of showers late this afternoon. Risk of a thunderstorm late this afternoon.  High: 30 °C Tonight Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm this evening.  Low: 12 °C Thursday Mainly cloudy with 40 percent chance of showers. Risk of a thunderstorm in the afternoon and evening.  High: 24 °C Friday Cloudy with 60 percent chance of showers.  Low: 11 °C High: 25 °C Saturday Cloudy with 60 percent chance of showers.  Low: 13 °C High: 24 °C Sunday Cloudy with 60 percent chance of showers.  Low: 13 °C High: 25 °C Monday Sunny.  Low: 15 °C High: 26 °C Tuesday Sunny.  Low: 15 °C High: 26 °C Forecast Issued: Wednesday, July 31 2013 05:00 PDT

Almanac For July 31 Value Year Greatest Rainfall (1977-2012) 11.0 mm 1989 Greatest Snowfall (1977-2012) 0.0 cm 1977 Greatest Precipitation (1977-2012) 11.0 mm 1989 Most Snow on the Ground (1981-2012) 0.0 cm 1981 Highest Temperature (1977-2012) 33.2 °C 2009 Lowest Temperature (1977-2012) 5.1 °C 2002 Average Maximum Temperature 24.0 °C   Average Minimum Temperature 9.2 °C   Average Temperature 16.6 °C   Sunrise 05:40 Sunset 20:57 Normal High 24 °C Normal Low 9 °C