A WEATHER warning for thunderstorms has been issued for Berkshire and Buckinghamshire.
The yellow alert will be in force for the whole of the county from 6am on Saturday, July 3 until midnight.
The Met Office said it will still feel very warm and humid with temperatures reaching 21 degrees.
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The Met Office spokesman said: "An area of heavy rain and some thunderstorms is expected to develop on Saturday morning over southern England and then move northeastwards before clearing into the North Sea Saturday afternoon.
"Many places will see a short period of heavy rain whilst some may see a more prolonged period of rain along with some intense bursts, with lightning and hail."
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