The India Meteorological Department (IMD) on Friday warned of a dust storm followed by thunderstorms, lightning and light to moderate rainfall in isolated parts of Delhi-NCR over the next two hours. Gusty winds reaching 30-50 kmph are also expected. Areas likely to be affected include Dilshad Garden, Shahdara, Vivek Vihar, Ghaziabad, Indirapuram, Dadri and Hindon Air Force Station.