Thunderstorms are likely to develop throughout the North East on Monday, producing some torrential downpours, and possible disruption.
The Met Office said today's weather will be cloudier than recent days, although there will still be some early sunshine.
Cloud thickening further could then bring isolated showers, heavy at times and with a chance of turning thundery in places. Maximum temperature 25 °C.
On Monday night, it is expected to stay cloudy, with showers continuing through the evening and only gradually easing overnight.
Read more: This map shows where thunderstorms are hitting the North East
Yellow warning: what to expect
Spray and sudden flooding could lead to difficult driving conditions and some road closures.
There is a small chance that homes and businesses could be flooded quickly, with damage to some buildings from floodwater, lightning strikes, hail or strong winds.
Where flooding or lightning strikes occur, there is a chance of delays and some cancellations to train and bus services.
There is a slight chance that power cuts could occur and other services to some homes and businesses could be lost.
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