With only days left in the updated forecast, the Met warned of weather like Iron Storm.
Tuesday will start to be dry but as the day goes on the clouds will thicken as the heavy rains move.
On Tuesday night, very humid and very windy weather caused deep low pressure from the south across the country.
According to Met Iron, the risk of flooding is high.
High winds and night rains are expected on Wednesday, causing scattered showers that could cause flooding.
Heavy rains, thunderstorms and floods will hit the country this weekend.
Met Ireland They are predicted to last at least until Wednesday.
The rain-soaked team will arrive tonight.
One prophet said: “Most areas today will be dry, with winter sunshine and scattered rain, mainly throughout the western and northwestern counties.
“However, clouds and rain will reach the southwest this evening, with maximum temperatures ranging from 6C to 10C, with light westerly to southwesterly winds.
“It’s cold tonight when it’s snowing under the clear skies.
“Then some clear mantras in the south and west. The minimum temperature is 0C to 5C, the north and east are cold.
“Pulse spot of heavy and sometimes thunderstorms from the southwest on Sunday morning is advancing with flooding.”
They added: “Then there will be some bright or sunny rain, but intermittent rain, especially along the south and west coasts.
“Humid and clear south wind. High temperature between 8C and 12C, best values south.
“It will rain overnight on Sunday, or moderate to fresh and southerly winds. The minimum temperature will be 5C to 8C.”
Met Iron’s five-day forecast warns that “sometimes wet and windy spells will not solve the problem.”
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The weather forecaster said: “Monday will be intermittent, with occasional heavy sunshine and scattered rain across the southern and western hemispheres.
“Although the southwestern counties will be affected by scattered rainfall, most areas will be dry with light south winds and sunshine.
“In the days to come, the cloud over Munster will be heavy, with heavy rain moving towards the southwest in the evening and eliminating the southeast wind.
“High winds with a chance of rain overnight on Wednesday morning. Sunny spells and scattered rain coming soon.”