Twenty20 World Cup organisers are anxiously hoping predicted heavy rain stays away to allow Pakistan and England to do battle in the tournament’s final at the MCG.

Melburnians were greeted to sun, humidity and blue skies when they woke on Sunday morning but the forecast is for the weather to turn later in the day.

Most concerning for organisers is that the worst of the showers and a predicted thunderstorm are expected to arrive during the afternoon and evening. The match is scheduled to begin at 7pm AEDT.

Up to 20mm of rain and a possible storm is expected, with the Bureau of Meteorology forecasting a 100 per cent chance of showers.

To constitute a match a minimum of 10 overs is required per team, unlike the group stage when only five overs per-side was needed to complete a game.

If the final is washed out, world governing body the ICC has left Monday as a reserve day with play beginning at 3pm.

But Melbourne’s weather is looking just as ominous then, with a 95 per cent chance of showers and up to 10mm of rain forecast.

If play starts on Sunday and is later stopped the game will resume on Monday from where it left off.

In the event rain washes out any prospect of play the competing teams will be forced to share the T20 trophy in what would be a first for an ICC tournament.

It comes after three games at the MCG during the group stage were abandoned due to wet weather.

Another match, also involving England, was shortened because of rain as Ireland upset their highly fancied opponents.

England captain Jos Buttler said that shock loss was a turning point for his team’s tournament.

“The weather around Melbourne was dominating the whole tournament at that stage and was definitely a distraction at times,” he told reporters on Saturday.

“We’ve seen a reaction to that game in the rest of the cricket we’ve played.”

England are trying to become the first team to hold the ODI and T20 World Cups at the same time after their memorable win in the 2019 50-over final at Lord’s.

– AAP