Late is the hour, dark the night. Clouds blanket out the moon and stars. A lone figure is seen slipping out of the forest and onto the main road leading into the village, in search of it's doctor.
A common mistake when writing adventures set in deserts is to assume that the climate is too ferociously hot to wear armor. Historically, most battles in deserts involved troops dressed in protective armor. Although they would have been miserable during the hottest part of the day or the hottest part of the year, desert weather isn't intolerably hot 24/7.