Met Office forecasters said it is “only a matter of time” until 40C is reached with “scorchio” 36C or 37C highs forecast on Friday.
But weathermen admit there is a Pharaoh chance that Friday could be even hotter as computer models predicted last week to be 35C but it was 37.8C.
Britain is set to be warmer than the 32C forecast in Alexandria, Egypt. And there is a 10% chance of Friday beating the 38.7C UK record, The Weather Outlook said.
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