Toronto could see up to 50 millimetres of rainfall on Monday and thunderstorms could be on the way this afternoon. A special weather statement has now been issued for the city, with Environment Canada warning of between 30 and 50 millimetres of rainfall by this evening. “Some areas have received up to 25 mm with this mornings rainfall,” the national weather agency said in its advisory. “Another round of showers and embedded thunderstorms is expected this afternoon. Additional local rainfall amounts of 20 to 30 mm are possible, especially for areas that receive thunderstorms.” Environment Canada said rainfall warnings “may be required” as the day progresses. “Water will likely pool on roads and in low-lying areas,” the advisory read. Commuters may see slick, and in some cases, flooded roadways amid the heavy rainfall. “Have the umbrella handy. It’s going to be a very unsettled start to the work week,” CP24 Meteorologist Bill Coulter said on Monday. “Showers and storms will light up the sky through the daylight hours as a warm front invades from the west.” Toronto will see a high of 24 C, feeling closer to 29 when factoring in the humidity. “The muggy air will offer plenty of fuel for the possibility of more localized storms tomorrow afternoon,” Coulter said, adding that both Tuesday and Wednesday will feel “incredibly humid,” with humidex values in the upper 30s. While a few showers may pop on on Thursday, skies will clear and a dry long weekend is in the forecast. “It should be a great one weatherwise, with daytime highs in the mid-20s, plenty of sunshine, and little chance of rain from Friday to Sunday.”