'Keep calm and party on' is the Jubilee-inspired theme for this year's Maidenhead Carnival.
The free two-day party on Saturday and Sunday will centre around entertainment and activities in Kidwells Park.
Crowds will also turn the town red white and blue during a grand parade through the town from noon on Sunday.
"2012 is a big year for Maidenhead and the Carnival will kick-start our summer of fun," said the Carnival chairman and Maidenhead town centre manager Steph James.
"I would encourage everyone to get behind their town and come and support the Carnival."
A host of live music and dance acts will take to stage on Saturday, including Stage Coach, Norden Farm's youth dance, Bollywood and Kathak groups, Money on the Drum and The Myrck, culminating in a rousing performance from the British Sinfonia at 8.30pm and a spectacular fireworks display at 10.30pm.
There will also be inflatable fun hosted by the Magnet Leisure Centre in the tennis courts, fairground rides for children and an Ironman challenge from 10am-noon on Saturday.
On Sunday the Simas Action Kids, the Red Roofs Theatre Group and Air on a Beestring will perform on stage in Kidwells Park.
Young runners are needed to take part in a series of races sponsored by Vision, starting from 1.30pm, while more than 40 teams have signed up for the Link Foundation Relay Marathon from 2pm.
Don't miss your free Carnival Guide in the centre of today's Advertiser.
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The Met Office has issued a yellow alert for Windsor and Maidenhead, Slough and Wokingham, warning that rain moving eastwards across the south of the country may turn to snow in some places.