A YELLOW thunderstorm warning has been issued for Monday across parts of North Wales and Chester.
The Met Office has put the warning in place from 12noon to 9pm tomorrow.
A spokesman explained: "Thunderstorms and torrential downpours are expected to break out across central England and Wales during Monday.
"These will be slow moving and intense leading to some large accumulations with in excess of 30 mm in an hour for some locations and the potential for 60-80 mm or more in a few hours where thunderstorms align for a time.
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"Frequent lightning and hail are likely to be additional hazards."
The warning is in place for Conwy, Denbighshire, Flintshire, Gwynedd and Wrexham.
A similar warning remains in place from 12noon to 9pm today (Sunday) as well.
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