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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Sunday has the best of the weather this weekend, looking fine and sunny with high temperatures. Some showers around on Saturday.
Police have this afternoon confirmed they have arrested two people in connection with a shooting in Somerset last night
More than 2,000 young people are gathering on Dartmoor today ready to take part in the Ten Tors challenge.