A chance for showers this weekend in Calgary; more rain possible Monday

AFTERNOON UPDATE: Today has maintained a warm path - as of 2:30 p.m., we have not yet surpassed yesterday's high of 22.2 C, but we're on our way! It's 21.8 C.  The remainder of our forecast details shake down much as they did this morning; a weak chance for showers or thundershowers persists Saturady, with another chance for rain Sunday, and rain expected Monday. It's that Monday total that'll continue being a head-scratcher. I've drawn it out:The weather charting here is the forecast valid