After a dry start, thundery showers will develop during the evening, these continuing on and off overnight with some localised torrential downpours and hail possible. Feeling warm and muggy overnight. Minimum temperature 18 deg C (64 deg F).
Saturday will see some sunny spells and the risk of further thundery showers and with some more general heavy and thundery rain likely in the afternoon. Hot and feeling humid. Maximum temperature 30 deg C (86 deg F).
Simon's forecast for the west.
Simon's forecast for the east.