The south-west monsoon entered Uttarakhand on Tuesday. It was earlier scheduled to arrive in the Himalayan state by the mid of June but was delayed by a few days. According to the meteorological department, the monsoon would cover the entire western Himalayan region in the next 48 hours. Heavy rainfall has been predicted in the state on June 25 and the spells are expected to continue for the next five days. The officials of the meteorological department have also sounded an alert for six districts — Pithoragarh, Champawat, Tehri, Pauri, Nainital and Dehradun — of Uttarakhand.