Taking to Twitter this afternoon, the Council said: “NOTICE - Change to bin collections to support working conditions for refuse collectors during upcoming very hot weather.
“On Monday 18 and Tuesday 19 July only, bin collections will start at the earlier time of 6AM to reflect the cooler temperatures at the start of the day.
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“Please be aware that you should have your bin out for 6am - it is ok to leave it out overnight if you wish - as many collections will take place significantly earlier than you may be used to.
"With possible record temperatures affecting the country, we are keen to ensure drivers and refuse collectors are as weather safe as possible. Our crews are also being provided with cold drinks.”
Currently, the weather forecast for Preston next week predicts highs of 31 celsius on Monday July 18), and 35 celsius on Tuesday (July 19).
An amber warning for extreme heat is in place for all of Lancashire from Monday, through to 11.59pm on Tuesday, including in Preston, Kirkham, Blackpool, Burnley and Blackburn.
Temperatures are forecast to be at their highest between 1pm and 7pm on both days.
Meanwhile, the Met Office's highest warning, red, meaning there is a risk to life, covers part of Lancashire including Leyland, Blackburn, Darwen and Bacup.