A western disturbance is likely to affect the Western Himalayan region and adjoining plains of northwest India from February 28. The following are likely under its influence. Light to moderate scattered to widespread rainfall or snowfall with thunderstorms and lightning is very likely over the Western Himalayan Region. Light isolated to scattered rainfall is also possible over Punjab from February 28 to March 2, and over Haryana and Chandigarh. Thunderstorms with lightning and hail at isolated places are on the cards over Jammu, Kashmir, Ladakh, Gilgit, Baltistan, Muzaffarabad and Uttarakhand from March 1-2 and over Himachal Pradesh on March 1. Thunderstorms with lightning and gusty winds (speed 30-40 kmph) are also likely over Punjab and over Haryana and Chandigarh. Finally, light isolated to scattered rainfall has been forecast over Andaman & Nicobar Islands, Sub-Himalayan West Bengal, Sikkim and Arunachal Pradesh during the next four days.