14 fire engines and 60 firefighters are still trying to bring a major fire under control at a recycling plant in Wellingborough.
Police are warning people to stay indoors and several roads have been closed.
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A cold, crisp start for many, with a sunny day following. Remaining rather chilly. Highs of 7 deg C (45 deg F).
Any showers this afternoon will fade away to leave a cold night with a widespread frost developing. Lows of -3 deg C (27 deg F).
The OVO Energy Women's Tour race brought a £1.75 million boost to Northamptonshire's economy this summer.