Dense fog engulfed Delhi and surrounding regions on Wednesday morning, reducing visibility to zero and disrupting road, rail, and air travel. The national capital is also expected to receive light rainfall over the next two days due to a western disturbance affecting the Himalayan area.Flights, Trains delay in DelhiMultiple trains headed to or departing from Delhi were delayed due to heavy fog.#WATCH | Delhi: Passengers face difficulty as several trains delayed and cancelled at Anand Vihar Railway Station due to dense fog.(Visuals shot at 6:05 am) pic.twitter.com/CYokcAuZQZ— ANI (@ANI) January 31, 2024At Indira Gandhi International Airport, there was zero visibility starting at 1:30 am which impacted operations of 50 flights, the India Meteorological Department (IMD) stated.#WATCH | Several flights delayed and flights operations affected as a thick layer of fog grips the national capital.(Visuals from IGI airport ) https://t.co/C1czROwv2O pic.twitter.com/z3WqhnRrkT— ANI (@ANI) January 31, 2024The airport issued an advisory urging passengers to contact airlines for updated schedules. While takeoffs and landings continue at Delhi airport, flights unable to operate in CAT III low visibility conditions may get affected, it noted.#WATCH | More than 50 flights delayed at Delhis Indira Gandhi International (IGI) airport as a thick layer of fog grips the national capital, according to airport sources.(Visuals from IGI airport) pic.twitter.com/HRLd6wFl3d— ANI (@ANI) January 31, 2024Delhis coolest January in 13 yearsThis comes after Delhi recorded its coldest January in 13 years this month. The average maximum temperature plunged to 17.7 degrees Celsius, the lowest since 2010, while the average minimum dipped to 6.2 degrees Celsius, the second lowest in 13 years as per IMD data.The severe cold wave conditions persist in the region amid a dense fog spell since late December. On Tuesday, Delhi saw a maximum temperature of 21.4 degrees Celsius, one degree below normal, and a minimum of 8.7 degrees Celsius within the normal range.IMD reports on the weather todayAccording to IMDs All India forecast, dense to very dense fog is expected in the mornings over parts of Punjab, Haryana, Chandigarh, Delhi, and Uttar Pradesh in the coming days. Similar conditions may arise in Odisha, Rajasthan, West Bengal, and Bihar as well.Amid two approaching western disturbances, fairly widespread to widespread rain and snowfall is likely in Jammu & Kashmir, Ladakh, Himachal Pradesh and Uttarakhand until February 4 before decreasing. Isolated heavy precipitation is forecast in J&K, Himachal, and Uttarakhand over the next few days.#WATCH | Jammu and Kashmir: Trees and houses covered in a blanket of snow as Ramban receives fresh snowfall. pic.twitter.com/c6DFg1w9FN— ANI (@ANI) January 31, 2024Rain predictions in these states… Light to moderate rainfall is predicted in Punjab, Haryana, Chandigarh, and Delhi on Jan 31st and Feb 1st, along with isolated showers in Uttar Pradesh. Hailstorms may also occur in some northwestern states.In eastern India, Arunachal Pradesh can expect rain and snow through February 5. Scattered showers are likely in West Bengal, Assam, Nagaland, Manipur, and other Northeast states from Jan 31st to Feb 2nd.The IMD said minimum temperatures will rise 2 to 4 degrees Celsius over large parts of Northwest and Central India during the next 3 days owing to the western disturbances, providing some respite from the cold wave. But no significant change is expected thereafter.