CALGARY — Environment Canada has issued rainfall warnings for areas south and west of Calgary, including sections of the mountain parks, as upward of 70 millimetres of precipitation is expected Monday afternoon. According to the warning, heavy rainfall is expected to begin Monday afternoon in southwestern Alberta. The majority of the region will see between 40 and 50 mm of rain, while some areas may receive 70 mm. As of Monday morning, warnings are in effect for the following areas: Okotoks – High River – Claresholm Foothills County M.D. of Willow Creek Rocky View County Kananaskis – Canmore Kananaskis Improvement District M.D. of Bighorn The significant rainfall carries the potential for flash flooding and motorists may encounter water pooling on roads. Air quality statements remain in place for nearly all of southern Alberta due to wildfire smoke, including the areas now under rainfall warnings. Heat warnings remain in effect for the southeastern most corner of the province. For the latest details regarding weather warnings in the province, visit Public Weather Alerts for Alberta.