At 9:30AM the Tstorm was over the city (see the pretty orange mass over the city)
The Winnipeg airport Terminal forcast for the rest of the day doesn't look much better...
TAF AMD CYWG 081431Z 0814/0912 17015G25KT P6SM SCT010 BKN040 TEMPO 0814/0817 VRB20G30KT 2SM TSRA BKN010 OVC040CB FM081700 22015G25KT 4SM -SHRA BR OVC010 TEMPO 0817/0902 P6SM -SHRA BKN025 PROB30 0817/0902 VRB20G30KT 2SM TSRA BR BKN008 OVC015CB FM090200 30012KT P6SM SCT030 BKN120 FM090600 22010KT P6SM SKC RMK NXT FCST BY 081800Z=
Decoded to English... well put it this way, moderate rain showers, light rain showers, and maybe even another thunder bumper between now and 9PM tonite