The National Farmers' Union says it's vital that a vaccine for Schmallenberg virus is made available this year. The disease causes stillbirths and birth defects in sheep and cattle and is carried through insects.
It's spreading through the South West, with nearly 60 cases in Dorset and more than 50 in South Somerset.
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There will be a fair amount of cloud around this evening and a possibility for a spot of rain. There may be a touch of frost in the morning.
Tonight remains fairly quiet with a few coastal showers here and there but for the bulk of the region it will be dry and clear.
It'll be fairly cloudy but dry with light winds and temperatures will stay in single figures.