Four weather warnings are in place as Storm Frank is due to make landfall early this afternoon.
Up to 70 millimetres of rain and winds of up to 120 kilometres an hour are expected in the South, West and North West.
In Dublin, status yellow wind and rainfall warnings come into effect at noon today.
Flood warnings are in place after the River Shannon reached its highest level this month.
One of the worst hit areas is Longford.
Local Councillor Gerard Farrell says people are already struggling to cope:
Meanwhile, it's claimed the Government failed to pay over a third of compensation sought by local authorities for storm damage over the past two years.
Fianna Fáil's Environment Spokesperson Barry Cowen says the coalition's track record proves it can't be trusted to respond to flood damage.
He says councils applied for 21 million euro to help with repairs two years ago, but only 13 million was paid out by the Department of Environment:
