Wales' Natural Resources Minister has also said he is extending the temporary situation where farmers are allowed to bury dead livestock on their land in certain parts of Wales for another week.
They will now be able to do so until midnight on Tuesday 23 April.
Rules were originally relaxed for a week, from 2 April, and this is the second time it has been extended.
He has made changes to the areas - those most badly affected by heavy snow - covered by the relaxation of normal laws.
More top news
Cloudy skies mean we'll escape largely frost-free overnight! Feeling much milder with drizzle in the east at times.
A hospital worker has been jailed after admitting forging the signatures of colleagues and a patient to get money.
It's all very well to talk about 'average' weather , but what actually IS it? Well, it varies depending where in Wales you live!