What could go wrong?

For Wagga comedian Dane Simpson and his fiancee Eleanor Pollock, the answer is a lot.

Two years after the funnyman proposed on stage in front of hundreds of people, the lovebirds are set to get hitched today - but this week hasn't been without drama.

The about-to-be Simpsons finally set a date in September, and until last weekend everything was coming together swimmingly.

They've managed to lay pretty low and avoid COVID, supported by their families and guests following their lead.

"Three months ago, this was looking great," Dane said.

And then came what the couple already affectionately call "hell week".

The first domino to fall was the cake, after its baker discovered they were a close contact of a COVID-19 case.

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"It started out on Monday, the cake maker was a close contact and was unsure of whether she would be testing positive, so got in contact early," Mr Simpson said.

"If this is the biggest thing to happen to us this week, then so be it."

That wasn't to be it.

A COVID scare within the family was next to send a ripple of panic.

Then the hairdresser was rushed to hospital.

"During the storm on Thursday, she broke her femur and had to have surgery," Ms Pollock said.

Within hours of putting out an SOS, Wagga came to the rescue twice - for both a cake and a hairdresser.

"This is what's cool about the Wagga community, you can just do a little reach out and people want the day to be amazing - total strangers [help]," Mr Simpson said.

"There's no way you'd pull this off in the bigger cities."

Years of staging events - Mr Simpson is a professional comedian and, among other ventures, Ms Pollock is the driving force behind the scenes of the Riverina Comedy Club - means the pair are well-drilled in adapting on the run.

"We're quite lucky in that we have a lot of people who support us, and - I mean, shows are very different - but we are used to flying by the seat of our pants," Ms Pollock said.

"This is probably the greatest show."

Around 30 guests have been in touch to say they can't make the big day, through either being COVID cases, close contacts or wary of the risk.

Two nights and two days of intense rain and a minor flood warning for Wagga could not have been further from the couple's biggest imagined hurdle.

"All along, our concern was not COVID - [it's that] 'it's going to be 45 degrees, who the hell gets married in the first week of January, it's going to be so hot', and that's been our concern the entire way along," Ms Pollock said.

But it was Friday's restrictions announcement by NSW Premier Dominic Perrottet that had the pair most nervous.

"We're so glad the changes didn't involve a wedding, which is already planned and paid for and done, you can't change the day before," Mr Simpson said.

As the pair put the finishing touches on the venue in the Botanic Gardens yesterday, with thunder and lightning cracking in the background while rain poured with a vengeance, the optimism was radiant.

"At the end of the day, either of us could have gotten sick, or our parents or people in the bridal party," Mr Simpson said

"It is what it is, the show must go on."