Firefighters are tackling 50,000 tonnes of waste near Stratford-Upon-Avon.
Fire services were called to Sims Metal Management in Long Marston just after nine o'clock last night.
Fire services from neighbouring counties have been called in to help.
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Any mist or fog will clear during the morning to give another dry day with light winds and some sunny spells.
The bus was travelling along Hale Street when it collided with a number of stationary cars and a lamppost before crashing into Sainsburys.
Rescue teams dashed to Trinity Street in Coventry shortly after 6pm after the Stagecoach bus crashed into the front of the store.