The Good Morning Britain co-hosts will play themselves as they break the news of the fictional Storm Belinda which threatens to hit the village.
BBC weather presenter Carol Kirkwood will also be seen on the Channel 4 soap as she reveals the horrendous weather that's set for the Chester area.
Show bosses have also enlisted the help of Radio 2 presenter Ken Bruce and regional radio host Debbie Mac to make the storyline look more realistic.
The storm will threaten Ste Hay (Kieron Richardson) and Harry Thomson's (Parry Glasspool) big day and fans are already aware Stephanie Davis will make her return as Sinead O'Connor during the dramatic episodes.
This was revealed in the soap's autumn trailer, which saw Sinead out to wreak revenge on her former lover Ste as he prepares to tie the knot with Harry.
Sinead will return in a cab and, as rain lashes down, she says to the driver: "Can you get me to Hollyoaks please? I've got a wedding to ruin."
As the storm intensifies on Ste and Harry's wedding day, a number of the villagers will seek residence in the Dog in the Pond pub.
Piers and Susanna are not the only ITV stars set for an Oaks cameo though.
Loose Women panellists Linda Robson and Janet Street-Porter recently revealed they will appear as wedding guests in an "explosive" episode.
Linda said: "We were wedding guests at 'Hollyoaks'. It was very explosive. I can't reveal anything else."
Janet added: "We do make an impact. We're featured."
Birds of a Feather actress Linda joked former Celebrity MasterChef star Janet was acting like a diva on the set by refusing to wear various accessories.
She said: "She was going all through the handbags going, 'Is that designer? No, I'm not using that, I'm not wearing that.' "
Got a story? email [email protected] or call us direct on 02077824220.
We pay for videos too. Click here to upload yours.
Source: Read Full Article