Thousands of people are expected to crowd into Birmingham's Canon Hill Park to celebrate the end of fasting during Ramadan.
The Eid Mela celebration, which starts at 12.30pm, will feature the sounds of top international and UK Asian artists.
As well as marking the end of the fast, the family event is designed to highlight the diversity of the Muslim community in Birmingham, through music, food and sport.
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Outbreaks of rain will move across all parts through the morning.