A similar alert for the entire country will take effect at midday on Saturday until 6am on Sunday.
Met Eireann has issued Status Yellow high temperature warnings for the next two days.
The first will start at midday tomorrow, and will be in effect in Leinster, Cavan, Monaghan, Roscommon and Tipperary.
A similar alert for the entire country will take effect at midday on Saturday until 6am on Sunday.

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