Environment Canada is forecasting thunderstorms Tuesday across Simcoe County.
The early morning is expected to feature showers and a few thunderstorms in Alliston, Barrie, Collingwood, Midland, Orillia and elsewhere in the county. Between 20 and 30 millimetres of rain may fall.
Moderate winds of 20 kilometres per hour are also forecast. The temperature should reach 24 C, with the humidity making it feel like 32 C.
The thunderstorms should end late in the evening, although there is a 60 per cent chance of continued showers bringing another 5-10 millimetres of rain.