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The India Meteorological Department (IMD) on Saturday, December 27, issued a red alert for Uttar Pradesh, predicting dense fog and severe cold day conditions. An orange alert is in place for Himachal Pradesh, Punjab, Haryana and Chandigarh for dense to very dense fog.
The Met Office issued a yellow alert in other parts of the country, including Odisha, Uttarakhand and north eastern states for dense fog.
Dense fog predicted for UP, Bihar
Dense to very dense fog conditions are expected during night/morning hours in isolated pockets of Assam until December 28 and Himachal Pradesh until December 31.
The IMD also predicted dense fog for isolated pockets of Arunachal Pradesh until December 30, Assam, Meghalaya, Nagaland, Manipur, Mizoram, Tripura, and Odisha until December 31, Sub-Himalayan West Bengal and Sikkim until December 29, and Uttarakhand until December 31.
Dense to very dense fog conditions are also likely in parts of Bihar until December 29, followed by dense fog in isolated pockets for four days, and in parts of Punjab, Haryana and Chandigarh until December 30, followed by isolated pockets for two days. Dense to very dense fog is very likely in some/many parts of Uttar Pradesh until January 1, 2026.
Yellow alert for Delhi
The Met Office issued a yellow alert for moderate to dense fog across the national capital for two days, predicting moderate to dense fog during morning hours on Saturday and Sunday.
Delhi's air quality has deteriorated, returning to the 'Very Poor' category, with the Air Quality Index (AQI) topping 300 in numerous regions.
Cold wave in Rajasthan, Uttar Pradesh
Cold wave conditions are expected in isolated pockets of north Rajasthan on December 28 and Jharkhand on December 28 and 29. Cold to severe cold day conditions are very likely at a few places over east Uttar Pradesh on December 27.
Meanwhile, cold day conditions are also anticipated in isolated pockets over Sub-Himalayan West Bengal on December 27, Bihar from December 27 to 31, Uttarakhand from December 26 to 29, west Uttar Pradesh on December 27, and east Uttar Pradesh on December 29.
Delhi's air quality has deteriorated, returning to the 'Very Poor' category, with the Air Quality Index (AQI) surpassing 300 in numerous regions.
Rain likely in Himachal Pradesh and Uttarakhand
Isolated to scattered light to moderate rainfall or snowfall is anticipated across several northern regions, specifically over Jammu and Kashmir, Ladakh, Gilgit, Baltistan and Muzaffarabad on December 27 and again from December 29 to January 1.
Himachal Pradesh and Uttarakhand are also expected to see similar isolated to scattered light/moderate rainfall/snowfall conditions on December 27, 30, and 31.
In the south, the Andaman & Nicobar Islands are likely to experience isolated thunderstorms and lightning, accompanied by gusty winds of 30-40 kmph, during the period of December 27 through December 30.
#WATCH | Cold wave and a thick layer of fog engulf the city of Chandigarh this morning. pic.twitter.com/co6t5e11A5
— ANI (@ANI) December 27, 2025
#WATCH | Punjab: Cold wave and a thick
layer of fog engulf the city of Mohali, officially Sahibzada Ajit Singh Nagar (SAS Nagar), this morning. pic.twitter.com/auorymoMy3
— ANI (@ANI) December 27, 2025
The Met Office issued a yellow alert in other parts of the country, including Odisha, Uttarakhand and north eastern states for dense fog.
Dense fog predicted for UP, Bihar
Dense to very dense fog conditions are expected during night/morning hours in isolated pockets of Assam until December 28 and Himachal Pradesh until December 31.
The IMD also predicted dense fog for isolated pockets of Arunachal Pradesh until December 30, Assam, Meghalaya, Nagaland, Manipur, Mizoram, Tripura, and Odisha until December 31, Sub-Himalayan West Bengal and Sikkim until December 29, and Uttarakhand until December 31.
#WATCH | Assam: Guwahati wakes up to a layer of fog as cold wave grips the city. IMD forecasts a minimum temperature of 14°C in the city. pic.twitter.com/U4Kt030JBf
— ANI (@ANI) December 27, 2025
Dense to very dense fog conditions are also likely in parts of Bihar until December 29, followed by dense fog in isolated pockets for four days, and in parts of Punjab, Haryana and Chandigarh until December 30, followed by isolated pockets for two days. Dense to very dense fog is very likely in some/many parts of Uttar Pradesh until January 1, 2026.
#WATCH | Uttar Pradesh | A thick layer of dense fog envelopes Agra city. Visuals from Taj View Point ADA, as the Taj Mahal disappears behind the fog. pic.twitter.com/KvqruQUAIR
— ANI (@ANI) December 27, 2025
Yellow alert for Delhi
The Met Office issued a yellow alert for moderate to dense fog across the national capital for two days, predicting moderate to dense fog during morning hours on Saturday and Sunday.
Delhi's air quality has deteriorated, returning to the 'Very Poor' category, with the Air Quality Index (AQI) topping 300 in numerous regions.
#WATCH | Delhi | Drone visuals from the AIIMS area as a thick layer of smog blankets the city
AQI (Air Quality Index) around the area is 270, categorised as 'Poor', as claimed by CPCB (Central Pollution Control Board).
Visuals shot at 7.10 am pic.twitter.com/GZvIPmtW5P
— ANI (@ANI) December 27, 2025
Cold wave in Rajasthan, Uttar Pradesh
Cold wave conditions are expected in isolated pockets of north Rajasthan on December 28 and Jharkhand on December 28 and 29. Cold to severe cold day conditions are very likely at a few places over east Uttar Pradesh on December 27.
Meanwhile, cold day conditions are also anticipated in isolated pockets over Sub-Himalayan West Bengal on December 27, Bihar from December 27 to 31, Uttarakhand from December 26 to 29, west Uttar Pradesh on December 27, and east Uttar Pradesh on December 29.
Delhi's air quality has deteriorated, returning to the 'Very Poor' category, with the Air Quality Index (AQI) surpassing 300 in numerous regions.
Delhi air quality slips to 'Very Poor' as smog engulfs city; AQI crosses 300
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|https://t.co/ojSz1WIkiO#Delhi #AQI #Pollution pic.twitter.com/UC0WnjokAb
— ANI Digital (@ani_digital) December 27, 2025
Rain likely in Himachal Pradesh and Uttarakhand
Isolated to scattered light to moderate rainfall or snowfall is anticipated across several northern regions, specifically over Jammu and Kashmir, Ladakh, Gilgit, Baltistan and Muzaffarabad on December 27 and again from December 29 to January 1.
Himachal Pradesh and Uttarakhand are also expected to see similar isolated to scattered light/moderate rainfall/snowfall conditions on December 27, 30, and 31.
In the south, the Andaman & Nicobar Islands are likely to experience isolated thunderstorms and lightning, accompanied by gusty winds of 30-40 kmph, during the period of December 27 through December 30.
