The Met Office has issued a yellow weather warning for Saturday and are urging people in the South West to be cautious of thunderstorms and the possibility of "significant flooding".
They say the warm weather could develop into heavy showers with lightning and hail. The warning covers East Devon, Somerset and Dorset.
Bob Crampton has the latest forecast for the region:
Organisers say visitor numbers for the Royal Cornwall Show look to be in line with previous years despite a wet and windy start to the event. It's day two of the agricultural show in Wadebridge.
Thousands attended the opening despite yesterday's rain and heavy winds, but organisers say many left early with some cars having to be towed out of the mud by tractors.
Kate Reeves has the latest weather forecast for the region:
A Flood Warning has been issued by the Environment Agency for the River Torridge (Lower) from Dolton to Bideford, including Taddiport and Weare Giffard.
Flooding is expected for riverside locations and roads between Dolton and Bideford, including New Bridge, Beaford Bridge, Taddiport, Rolle Bridge, Weare Giffard, Annery Kiln, and the A386, A3124 and B3227 at Great Torrington and Taddiport Throughout Sunday continuing into Monday..
Service suspended on First Great Western between Exeter St Davids and Barnstaple due to fallen tree on the line.
A Flood Warning has been issued by the Environment Agency for the River Yarty from Yarcombe to Axminster. Flooding is expected for riverside locations and roads between Yarcombe and Axminster, including Long Bridge, Case Bridge, Beckford Bridge and Yarty Bridge.
A39 both ways blocked, delays due to fallen tree at Arlington.