Evening thundershower possible in Calgary

AFTERNOON UPDATE: We're in it. Or, at least, we're in it enough to consider adjusting plans this evening. There is a high probability of storms building across the foothills and developing into severe weather; while Calgary is not presently in the watch zone (as of 2:40 p.m.), we could see that change later this evening. Storms could bring hail topping three centimetres in diameter. Hinton and Whitecourt are both under rainfall warnings, as well - that's where the northern face of the low will d