英语作文,学校定于周六组织一次郊游,天气预报说多云有小雨,老师告诉大家带上雨伞,用英语描述从出发到下雨的过程不少于40词

My school is going to have a outing this Saturday. The weather forecast states that this Saturday weather is cloudy with ocassional showers. The school teacher has informed us to bring along our umbrellas in case there is rain.