Snow is falling pretty heavily now at Ewood Park.
I wonder if this will affect the game if the conditions worsen.
Meanwhile, Bradley Dack concedes a free-kick to Preston for a push into the back of Ryan Ledson. It's in a dangerous area, too.
Callum Brittain's afternoon is over. He's replaced by Clinton Mola.
A bit of a nightmare start for Blackburn, here.
Five minutes into the game here and it looks like Blackburn are going to be forced into a change.
Callum Brittain can't continue after that incident with Ryan Ledson earlier.