If you had some beach plans this weekend, you might want to bring an umbrella. Ontario's weather forecast is calling for thunderstorms and hail across the province. The rainfall will hopefully bring a small break to the heatwave Ontario has been facing.\nAccording to The Weather Network, severe thunderstorms are expected to hit parts of the province on Friday as Tropical Storm Fay moves into the area.\nEditor's Choice: A Canadian Casting Call Will Pay You $1,200 To Feature Your Fur Baby In A Commercial\nWindsor is expected to get hit the hardest, with heavy rainfall and small hail being the biggest concern.\nThe storm is expected to bring 20 to 30 millimetres of rainfall throughout the day, so don't forget your raincoat.\nResidents in the GTA, you can breathe a sigh of relief, because you're out of the "severe risk zone" of the storm. However, localized rain is still likely.\nIf you had weekend plans, don't get your hopes up for the rain to clear by Friday. Dark clouds will also be looming throughout Ontario until Sunday.\nIn Toronto, thunderstorms are also expected to last throughout the rest of the weekend.\nHowever, The Weather Network reports that these storms will bring some relief to the muggy weather that the province has been facing.\nTemperatures are expected to hit below 30 C for the first time in over a week.\nThe Weather Network\nWe haven't seen the last of the heatwave though.\nTemperatures are expected to rise again by the middle of next week and will be sticking around for a while.\nIn fact, this July is currently on track for breaking records of having one of the longest hot streaks in history.\nThis Thursday marked the eighth day of Toronto reaching temperatures higher than 30 C.