The storm battered the county with winds of up to 80mph on Friday, disrupting roads, railways, schools and more.
An amber weather warning issued by the Met Office came into effect at midnight and will remain in force until 9pm.
Pictures taken across Lancashire show the scale of the damage caused by the strong winds.
Take a look at our gallery below:
7. Damage caused by Storm Éowyn
Video taken in Blackpool showed large sections of roofing smashed on the pavements and blocking roads. | Contributed
8. Damage caused by Storm Éowyn
Forecasters warned that damage to buildings and homes could occur, with roofs blown off and power lines brought down. | Joanne Hughes
9. Damage caused by Storm Éowyn
A trampoline which was blown over during the strong winds. | Jacqui Hourihan
10. Damage caused by Storm Éowyn
Council teams clearing up the debris and fire crews making the street safe in Blackpool town centre. | Kevin Aubrey
11. Damage caused by Storm Éowyn
RAC Breakdown advised motorists in warning areas to stay safe by parking away from trees, to keep a firm grip on the steering wheel, avoid coastal routes and watch out for debris. | Courtney Ann Whiteside
12. Damage caused by Storm Éowyn
Blackpool Transport said services would not be serving Corporation Street or Market Street due to the damage. | Contributed