Met Office issues all-day rain alert for Somerset

This weekend's taste of summer looks set to be washed away tomorrow in Somerset. The Met Office has issued a weather alert for heavy rain.

The yellow weather warning runs from 8am to 11.59pm and covers the southern half of the county. The Met Office says: "A band of rain will move east across the area through Monday to bring a spell of heavy and persistent rain. Rain will reach Cornwall during Monday morning but won't reach eastern parts of the warning area until Monday afternoon.

"20-30 mm of rain is expected to fall widely with as much as 40-50 mm over some hills. Conditions will likely improve across Cornwall through the afternoon, but will persist across the east of the area until the end of the day."

What to Expect

• Flooding of a few homes and businesses is possible

• Spray and flooding on roads probably making journey times longer

• Bus and train services probably affected with journey times taking longer

The warm and sunny weather change early this evening with a thunderstorm warning covering Somerset.

Five-day south west forecast

Today:

A mostly dry and bright start with thundery showers developing in the east through the afternoon bringing heavy rain and possible lightning and hail. Feeling warm in the sunshine. Maximum temperature 23C.

Tonight:

Drier this evening with the odd shower, otherwise some late sunny spells. Occasional clear spells before rain arrives to the far southwest by dawn. A mild night. Minimum temperature 11C.

Monday:

Turning unsettled from the west with heavy and persistent rain sweeping across much of the region by the afternoon accompanied by blustery winds and feeling cooler. Maximum temperature 18C.

Outlook for Tuesday to Thursday:

Changeable with longer spells of rain on Tuesday, followed by sunny spells and showers on Wednesday and Thursday, heavy at times. Temperatures returning closer to average.