A yellow weather warning has been issued for thunderstorms that covers York and North Yorkshire.
The Met Office has forecast that thundery downpours that could bring flash flooding to some areas.
The warning last from 9am to midnight today (Saturday, 8 July).
In York the forecast is for temperatures to peak at 24ºC with thundery showers predicted from midday.
Forecaster Oliver Claydon said: “Heavy downpours are forecast through the weekend, especially Saturday.
“There is a risk of surface water flooding and difficult driving conditions on the roads due to the heavy thundery downpours.
“These will be heavy and thundery at times, potentially slow moving and most intense across northern areas.”
A Met Office yellow warning for thunderstorms means there is a small chance homes and businesses could be flooded quickly and communities cut off by floodwater, while spray and sudden flooding could lead to difficult driving conditions.
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