North American weekend weather outlook brings humid heat and scattered storms

In Milton, Ontario, Environment Canada predicts a mix of sun and clouds with a 40 % chance of showers and a risk of thunderstorms on Friday, followed by similar conditions and another thunderstorm risk through the weekend. Temperatures will reach a high of 29 °C with a humidex of 33 and a very high UV index of 8‑9.

In the Boston area, forecasters expect mainly dry conditions on Saturday and Sunday despite oppressive humidity and temperatures in the low‑80s °F inland. Spot showers are possible, but the next significant chance of rain and thunderstorms arrives on Monday, with continued humid and warm weather through the week.