Traders in the Forest of Dean claim that parking charges introduced over the summer are ruining their businesses.
Previously, parking in towns like Lydney and Coleford was free. Now shoppers pay 20p for the first hour.
Shop owners say it means people are no longer browsing, which is bad for business.
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The whole region staying clear overnight with warm temperatures.
Temperatures remain high up to 12C inland.
Until now the ground has just been too waterlogged to let them out to graze.