Min temp to hover at 2-5deg;C

Expect relief from Jan 19

Cold wave back

Red alert means one should not step out without preparation
Fresh spell of cold wave amp; dense fog over Northwest till Jan 19
Min temperatures in Punjab to be in the range of -2 to 3deg;C
Minimum temperatures in Delhi expected between -1 and 5deg;C
Severe cold conditions likely in Punjab, Haryana amp; Chandigarh on January 16 and 17