A status yellow thunderstorm warning is now in effect for Roscommon, Leitrim and Longford.
It's part of a series of warnings for much of the country over the next 24 hours.
Roscommon and Leitrim's alert will remain in place until 5pm today, and Longford's warning will end at 2pm.
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Cathal Nolan from Ireland's weather channel says there's a risk of flooding and power outages:
