The MET Office has issued a yellow weather warning of rain for this afternoon.
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Forecasters say heavy, thundery showers will turn locally torrential with the risk of hail.
Whilst most places will miss the worst, people are being advised be aware of the risk of localised flooding.
If you are a Housing Executive tenant and your home has been affected by adverse weather conditions call 03448 920 901.
If you have a story or want to send a photo or video to us please contact the Derry Now editorial team. Between 9am and 5pm Monday to Sunday please call 028 7129 6600 for Derry City stories or 028 7774 3970 for County Derry stories. Between 5pm and midnight please call or text 07825 711978. Or you can email john.gill@derrynews.net at any time.