The Bay Area is set to experience a significant shift in weather as a warm spell comes to an end. After weeks of dry conditions, forecasts predict rain and cooler temperatures starting midweek. Light rain is expected to begin Tuesday, breaking the long dry spell with the potential for up to 0.10 inches. Temperatures have soared into the 80s over the weekend, but a transition to colder weather and additional rain showers is on the horizon. Residents should prepare for the incoming storms, which may also bring snow to the Sierra. Overall, a cooling trend is anticipated as the region braces for a much-needed respite from the heat.