Three counties have been issued with a yellow rain warning by Met Éireann. Met Éireann has warned of spot flooding and difficult travelling conditions. AdvertisementMet Éireann has warned of spot flooding, difficult travelling conditions, and poor visibility. Monday will be potentially thundery, with downpours possible, bringing a risk of spot flooding, especially in the southeast. Thursday will see patchy rain and drizzle, with highest temperatures of 15 to 19 degrees in a light to moderate westerly breeze.