As the mercury slipped back to near normal in the past two days in north-west India, the weather office has predicted a five-day wet spell over parts of Punjab and Haryana from May 27, which could bring further relief in many parts of the region.The India Meteorological Department (IMD) has predicted the possibility of isolated rain in Haryana on May 27, 28 and 31 and in Punjab on May 28 and 31. Fairly widespread rain is expected in both the states on May 29 and 30.Hailstorm is also expected at a few places in these states on May 28 and 29, along with thunderstorm, lightning and gusty winds with speeds up to 60 kmph. Eastern parts of Punjab and southern and north-eastern parts of Haryana are likely to receive more rain thnt other areas.Despite the forecast of rain, heatwave to severe heatwave conditions are possible at isolated places in Punjab and Haryana on May 26 and 27, particularly the southern parts of Punjab and western and southern parts of Haryana.IMD has not reported any heatwave over Punjab during the past two days, whereas a heatwave occurred over Sirsa and Rohtak in Haryana, with the mercury touching 46.2 degrees Celsius.Day temperatures were normal in Punjab over the past 24 hours, but above normal in parts of Haryana, while night temperatures in both states, which witnessed heatwaves and warm nights on several days earlier this month, were normal.Light rain occurred at isolated places in Punjab during this period, whereas the weather remained dry in Haryana. Gusty winds were experienced at isolated places in both the states. Rainfall for the month of May so far has been deficient by 32 per cent in Punjab and by 3 per cent in Haryana.According to IMD, a western disturbance as a cyclonic circulation over Jammu and its neighbourhood at 3.1 km above mean sea level persists, and a fresh western disturbance is likely to affect north-west India from May 28.Under the influence of these systems, isolated to scattered light to moderate rain with thunderstorm, lightning and gusty winds is likely over Jammu and Kashmir, Himachal Pradesh and Uttarakhand from May 28-31.Isolated hailstorm activity is also possible over Jammu and Kashmir, Himachal Pradesh, Punjab, Haryana and Chandigarh on May 28 and 29, the IMD said.