Officials at Leopardstown will have be hoping for a dry spell as parts of the track are waterlogged just days before the Dublin Racing Festival.
The IHRB have revealed the course has had 58mm of rain in the past 24 hours and a total of 165mm in the past 12 days.
They added: "According to the forecast the heaviest of the rain has now passed. Breezy with possibility of light showers today & tomorrow. Mainly dry early Thursday with rain developing Thursday night & then turning mainly dry thereafter into the weekend."
Eight Grade 1 races are due to take place including the Irish Gold Cup and Champion Hurdle.
Meanwhile today's National Hunt meeting at Newcastle will take place following a mid-morning inspection. The ground has changed to soft, heavy in places following torrential rain.
Wednesday's card at Leicester is off after an 8am inspection found the track to be waterlogged. Exeter was abandoned on Monday with their surface waterlogged.
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