The people of Mountmellick are fearing the worst today as the Owenass River has risen six inches in an hour.
The water is up over the river bank and spilling out into surrounding fields.
Water is flowing rapidly from the Slieve Bloom Mountains and into the river which flows right through the town.
Members of the Mountmellick Development Association have been rallying around since noon trying to organise flood defences.
Laois Civil Defence swung into action organising sandbags which have been packed against the doors.
Laois County Council has set up a station for sandbags at the Bay Road in Mountmellick.
All doors are being sealed off as people prepare for the worst.
Declan Furlong who owns The Hare's Corner restaurant in Irishtown is taking no risks and many people in the community are on the ground helping with sandbags.
The restaurant was badly damaged in November and is still closed as repair work is ongoing.
Sonas creche is also being sealed off with sandbags.
Mountmellick Fire Service is attending flooding on land in the Acragar area of the town.
Cllr Paddy Bracken has said that no homes have been hit by flooding yet but people are preparing for the worst.
A member of Laois Fire and Rescue Service said that all stations in Laois are out today and that Mountrath has been hit with some flooding.
A member of Laois Civil Defence has said that their mai work today has been preparing and delivering sandbags.