Rain or thundershowers accompanied by temporary Kalbaishakhi wind measuring a speed of 60-80 kilometers per hour or more may occur at different places of the country, reports UNB. The Kalbaishakhi wind is likely to occur over the regions of Rajshahi, Pabna, Bogra, Tangail, Mymensingh, Faridpur, Dhaka, Jessore, Kushtia, Khulna and Barisal during the next 8-10 hours commencing 6 pm on Friday, said a special Met Office bulletin.