Western disturbance brings rains and hailstorms to several parts of India, with temperatures dipping. Rain and snow will continue on April 4, says India Meteorological Department (IMD).Scattered to fairly widespread rain with thunderstorm, lightning, and gusty winds likely over northeast and east India. Isolated heavy falls expected over northeast India on March 31 and April 1, and Kerala from March 31 to April 1.The lowest temperature of 15 degrees Celsius was observed in Gurdaspur, Punjab while the highest — 41.4 degrees Celsius in Akola, Maharashtra.Heavy rain has been recorded in Tripura and Kerala; hailstorms in Haryana, West Madhya Pradesh, and Central Maharashtra.The maximum temperature in Tamil Nadu is expected to decrease by up to 3 degrees Celsius in some places by April 2. This dip in temperature is influenced by cloud formation and localised weather changes.Advisory for farmersJammu and Kashmir: Drain excess water from wheat, gram, mustard and vegetable fields.Sub Himalayan West Bengal: Ensure drainage; shift harvested produce to safe places.Arunachal Pradesh: Harvest cabbage, pea, mustard; maintain drainage channels.Assam: Drain excess water from crop fields.Meghalaya: Ensure drainage in summer vegetable crops; protect young seedlings.Tripura: Drain excess water from low-lying areas.Kerala: Drain excess water from crop fields and orchards.