Thunderstorms are forecast to follow the hottest day of the year.

The Met Office have issued a yellow alert, warning Berkshire and Buckinghamshire residents of potential flooding, cancellations to transport services and power cuts.

The warning comes hot on the heels of amber and red alerts for extreme heat in the counties today (July 19), with communities warned highs of 40C pose  a ‘danger to life’.

Met Office weather forecast in Berkshire and Buckinghamshire


An exceptionally hot day will develop after a very warm start for many, with lengthy periods of strong sunshine and a southerly wind. The sunshine may turn hazier in the west later, with isolated gusty showers or thunderstorms developing. Maximum temperature 40 °C.

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Another warm night, with isolated showers or thunderstorms gradually clearing into the North Sea. Probably becoming cloudier from the west overnight, perhaps with the odd spot of rain later. Minimum temperature 17 °C.


Still very warm, but cloudier overall with outbreaks of rain. Heavier, more showery bursts may develop in places later, potentially thundery at times. Breezier than recently, and gusty around showers. Maximum temperature 28 °C.

READ MORE: Berkshire schools closed today due to heatwave

Outlook for Thursday to Saturday

More seasonable temperatures are expected through this period. Sunny spells and showers Thursday may give way to more widespread thundery showers Friday. Probably warmer again Saturday, with sunshine and showers.