The weather office has alerted the state government of widespread rains in the districts of Dakshina Kannada, Udupi and Uttara Kannada along the coast, besides Ballari, Bengaluru, Chamarajanagar, Chikkaballapur, Chitradurga, Davangere, Hassan, Kodagu, Kolar, Mandya, Mysuru, Ramanagar, Shivamogga, and Tumakuru on Friday and Saturday.