Almost 4 billion people will be tuned to the World Cup over the next few weeks.
Wales - of course aren't in the competition - but there's always England to support...
Tom Sheldrick went out to find out how excited people in Wales are for what's known as the greatest show on Earth.
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Heavy rain for many parts today but it will begin to clear throughout the afternoon, making way for a dry and sunny Sunday.
The Met Office has issued a yellow 'be aware' warning of rain for parts of south Wales with a risk of localised flooding.
Showers overnight will make way for heavy rain tomorrow! The Met Office has issued a warning to be aware!