A severe cold wave, accompanied by dense fog of varying intensity, engulfed Rajasthan and several northern states including Delhi, Uttar Pradesh, Bihar, Jammu and Kashmir, Himachal Pradesh, and Uttarakhand around January 7, 2026. The India Meteorological Department (IMD) issued Orange and Yellow alerts for multiple states, warning of significant travel disruptions and serious health risks. Visibility in parts of Rajasthan — particularly in Bikaner, Sri Ganganagar, Hanumangarh, Churu, and Sikar — dropped to near-zero levels in the early morning hours, disrupting train schedules and causing flight delays. Temperatures in parts of Rajasthan's northern districts plunged below 2°C, with Churu historically recording the coldest temperatures in the state due to its continental desert climate. Cold waves in Rajasthan are a recurrent winter phenomenon driven by western disturbances and cold winds from the Himalayan region. The State Disaster Management Authority (SDMA) and district collectors were directed to activate relief measures including setting up night shelters (rein baseras) for the homeless and daily wage workers, distributing blankets, and ensuring continuity of essential services. The cold wave also affected agricultural activities, with the rabi crop season — particularly mustard and wheat cultivation in Jaipur, Alwar, Bharatpur, and Kota divisions — facing risk of frost damage. Veterinary departments were placed on alert to protect livestock in affected areas.