India, Jan. 30 -- The mercury in Delhi on Friday dipped to 7.7degC, 0.7 degrees below the normal, compared to 11degC a day earlier amid yellow alert for the weekend for possible rain, thunderstorms, and moderate to dense fog, even as the air quality remained "poor". It is expected to fall further on Saturday, reaching around 6-8degC, before rising to 11-13degCon Sunday due to intense cloudy conditions.

Rain is also likely on Monday under the influence of a third western disturbance this month. Moderate to dense fog was expected in the early hours over the weekend. "One or two spells of light rain are possible, accompanied by thunderstorms and gusty winds of speed 30-40 kmph," an India Meteorological Department (IMD) official said. He add...