A Status Yellow high temperature warning is coming into effect at midday.
The HSE is warning people in the Midlands over the dangers of the incoming hot spell.
Met Éireann has issued a Status Yellow high temperature warning for the entire country, it's expected to reach as high as 30 degrees in some places this week.
The warning comes into effect at midday today and remains in place until Friday morning.
HSE CEO Anne O’Connor says elderly people will be especially vulnerable:
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