Residents in Windsor-Essex are bracing for hot, unsettled weather today as the region continues through its first sustained stretch of early-season heat, accompanied by the risk of thunderstorms. Daytime temperatures are expected to reach 30 C, with humidex values climbing to around 38. Skies will become increasingly cloudy through the morning, with a 30 per cent chance of showers late in the morning and early afternoon before steadier rainfall develops later in the day. Environment Canada officials say there is also a risk of a thunderstorm late this afternoon as winds strengthen. The unsettled weather is expected to continue into the evening, with showers tapering off late tonight. However, cloudy conditions will linger along with a 40 per cent chance of additional showers and a risk of thunderstorms early in the evening. The low is expected to fall to 12 C. A noticeable drop in temperatures is expected Wednesday, bringing relief from the heat. The day will be mainly cloudy, with lighter winds shifting northeast at 20 km/h before becoming calm later in the morning. The high will reach 18 C, closer to seasonal values. The remainder of the week will bring a mix of sun and cloud with periods of unsettled weather. Thursday is expected to be sunny with a high of 17 C, followed by clear conditions overnight and a low of 9 C. Cloudier conditions return Friday, with a 60 per cent chance of showers and a high near 18 C. The chance of rain continues Friday night with a low of 12 C.