South West Trains has reported several trees on the lines, including this one near Fareham in Hampshire which knocked over a signal point.
This tree, at an unknown location, is holding up part of the bank and will take "additional time to clear," the train operator said.
The line between Farnham and Alton, both in Hampshire, has been blocked by another tree
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Another unsettled day tomorrow with the best sunshine stretching diagonally from northwest Scotland to southeast England.
Jack Letts has learned he has been stripped of his UK citizenship in an exclusive interview with ITV News - and says it is not a surprise.
Risk of thunderstorms across East Anglia and the South East this afternoon. Becoming drier across Wales and the West Country by late pm.