Kolkata: After upsetting the practice session, rain and thunderstorm could play spoilsport at the opening ceremony of the Indian Premier League (IPL) tournament, slated to be held at the Salt Lake stadium here today, according to the Met Office forecast.

Tomorrow's IPL opener between Kolkata Knight Riders and Mumbai Indians at the Eden Gardens here also looks threatened with heavy showers predicted on the day. Regional Meteorological Centre director G.C. Debnath said apart from the showers, there is a high chance of a thunderstorm striking Kolkata and the surrounding 50 km area today afternoon.