• Bihar faces severe cold wave with IMD forecasting 2-4°C temperature decline beginning immediately; minimums reach 4-6°C by November 25-26
• Dense fog disrupts life with Purnia visibility at 800 meters; current minimums 14-16°C declining to 8-10°C within 48 hours statewide
• Gaya coldest at 12°C dropping below 8°C; Patna 16°C minimum with 600-800m visibility; northwesterly winds 15-25 km/h intensify wind chill
• Dry weather continues through November 29; low-pressure system may activate November 27-28; residents advised warm clothing, frost protection measures
