TEMPERATURES across Somerset are expected to drop overnight into Wednesday morning prompting the county's ambulance service to warn residents about ice on the roads. 

The Met Office says temperatures in the region could plummet to below -2°C tonight. 

A spokesman for The Met Office, said: "This evening will be dry, clear and cold with light winds and a frost forming. However, it is going to become windy and cloudy with rain set to arrive in Cornwall by dawn. Minimum temperature -3 °C."

South Western Ambulance Service tweeted to urge motorists to allow extra travel time for journeys on Wednesday and advised people to avoid driving at high speeds. 

Tomorrow it will be a chilly start to the morning with temperatures reaching a high of 3°C in Taunton at 6am. 

A spokesman for The Met Office said: "A cold start for many then a cloudy, wet and windy day with gales possible over coasts and hills.

"Feeling fairly mild in the west, but colder further east.

"Maximum temperature 11 °C. "