The weather turned pleasant as the mercury fell a few points after a thunderstorm early Wednesday. According to meteorologists, a westerly wave is affecting the northern parts of the country and is likely to persist for the next two to three days. Rain is again expected early Thursday. According to the weather statistics of the metrology department, light showers were expected in divisions of Rawalpindi, Gujranwala, Sargodha, Lahore and others.