The Met Office has announced that yellow thunderstorm warnings will be implemented on Friday and Saturday, signaling an end to our recent warm weather. Southern parts of England and Wales may experience significant rainfall of up to 50mm (2in) and subsequent flooding and transport disruption occur. This is a stark contrast to the warm and sunny weather experienced by the UK in the past week, where temperatures reached the low to mid-20s Celsius. The warmest spell experienced in Scotland in late September since 2019 was recorded with a temperature of 25C in northern Scotland.
Scattered and heavy showers, accompanied by thunderstorms, are expected in southern England and Wales on Friday afternoon. The heavy downpours may be accompanied by gusty winds and hail, with local flash flooding possible. The first round of storms is expected to die down later in the day. However, another set of storms is anticipated to reach the south coast of England early Saturday, with further downpours affecting England and Wales all throughout. Although hit or miss, up to 50mm (2in) of rain could fall where the thunderstorms occur.
Heavier showers were predicted, particularly in southern parts of the UK on Sunday. Although weather conditions are expected to be drier and calmer in Scotland, Northern Ireland, and areas surrounding the Irish Sea, it is likely that we will experience more cold temperatures and chills, as the winds will eventually shift from the north and colder air will begin to move in as low-pressure systems bring in widespread cloud and rain. Daytime temperatures will range from 12C in Scotland to roughly 16C along the English Channel coast. It is also thought that there may be a risk of gales and even colder northerly winds later in the week.
As the autumn equinox is expected to occur on September 22, Mother Nature appears to have decided to end summer right on time. It is not yet known whether an occasional spell of warm weather may occur during October, which has historically even brought in the occasional hot spell. For the latest updates on the coming weeks, check out the monthly forecasts from the Met Office
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