Smoke from the fire at a factory in Hereford is said to be continuing to affect some nearby properties.
The council is advising residents in Rotherwas and Tupsley to remain indoors and keep windows and doors closed for the rest of the day.
The material burning is said to be largely wood and the impact on people's health is expected to be minimal.
The fire service say 'good progress' is being made.
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Isolated wintry showers perhaps giving further, mainly slight, snow accumulations inland.
Staying largely dry for most of the night, but then with a line of showers travelling south across the region through the early hours.
A bank robber who threatened customers with a knife and gun while demanding cash has been jailed for 11 years.