For you folks in the Calgary region (ie most of you), there is a heavy rainfall warning for tonight and tomorrow morning.
http://weatheroffice.gc.ca/warnings/report_e.html?ab12
Heavy rain for tonight and Sunday.
An upper low from the pacific will cross southern Alberta tonight and into Sunday. As this system approaches showers and thunderstorms are expected today and early this evening before changing into an area of significant rainfall. Some of these thunderstorms could produce heavy downpours. Current information indicates total rainfall amounts of
50 to 100 millimetres are possible for the above mentioned regions by Sunday evening. Regions close to this area including Brooks Red Deer and Coronation may also receive heavy rainfall amounts and may be added to updated warning bulletins.