India, May 20 -- Parts of Delhi-NCR have been witnessing intense heatwave conditions over the past few days, prompting the India Meteorological Department (IMD) to upgrade its warning for the national capital from a "yellow" alert to an "orange" alert on Wednesday.

Temperatures in Delhi are expected to touch 46 degrees Celsius on Wednesday. Heatwave to severe heatwave conditions are expected to continue over the next two days, with heatwave conditions likely to persist thereafter as well.

The weather office has also forecast no significant change in maximum and minimum temperatures during the next seven days, according to the IMD.

The IMD placed Delhi under an orange alert for the next five days on Wednesday, saying that daytime temper...