<span style="color: #222222;">Delhi will experience a hot day today, with the weather office predicting that the mercury may touch the 43-degree mark. </span><br />'' <br />'' <span style="color: #222222;">The weatherman also predicted dust-raising winds and a partly cloudy sky towards the afternoon. At 8:30 am mercury recorded 29.6 degree Celsius. Humidity levels were recorded at 45 per cent.</span><br />'' <span style="color: #222222;"><br />'' The Meteorological Department said a cyclonic circulation over western Rajasthan and a western disturbance are likely to start affecting weather in the desert state, Punjab, Haryana, Delhi and western Uttar Pradesh from Sunday onwards. </span><br />'' <br />'' <span style="color: #222222;">A dust storm and thunderstorm is likely on Sunday evening while Monday is expected to witness light rain and thunderstorm. </span><br />