There are delays of up to 30 minutes on First Great Western services between Taunton and Bristol Temple Meads due to cows having been on the line at Nailsea and Backwell.
Lines are now open but delays are expected until around 9am.
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Taking a little while to clear but by mid-morning its sunny everywhere.
This will clear away by the afternoon and sunshine will return.
People living near Compton Bassett advised to keep windows and doors shut overnight after a large fire at a landfill site.