The River Severn from the old Dolwen railway station to Llandinam Hall.
See below for historical flood warnings, or use the live map to check the latest warnings across the UK.
The red highlighted area on the map below outlines the area covered by this Flood Warning.
Number of historic Flood Warnings that have previously been recorded for this area.
North
River levels are rising. Flooding to property is expected. Flooding of low-lying land and roads is ongoing. Impacts are expected to occur from 22:45 this evening, Saturday 20th September 2025. Manthrig Lane in Caersws, the A489 trunk road at Long Length, Caersws and minor roads in the area could be affected by flooding. We will continue to monitor the situation. This message will be updated as the situation changes.
North
River levels are rising. Flooding to property is expected. Flooding of low-lying land and roads is ongoing. Impacts are ongoing. Manthrig Lane in Caersws and minor roads in the area could be affected by flooding. River Severn in the Dolwen and Llandinam Area at the Caersws gauge is expected to rise until approximately midday. The rainfall is forecast to continue until approximately midday. We will continue to monitor the situation. This message will be updated as the situation changes.
North
River levels are rising. Flooding to property is expected. Flooding of low-lying land and roads is ongoing. Impacts are ongoing. Manthrig Lane in Caersws, the A489 trunk road at Long Length, Caersws and minor roads in the area could be affected by flooding. River Severn in the Dolwen and Llandinam Area at the Caersws gauge is expected to rise until approximately 13:00PM later today (07/12/2024). We will continue to monitor the situation. Technical river level forecast information for those who use it; a peak level between 3.2m and 3.4m is possible today (07/12/2024) between 11:00AM and 13:00PM. This message will be updated as the situation changes.
North
All peak levels are based on the latest forecast as of 4:00 PM. Caersws was 3.07 metres. A peak level between 3.25 and 3.50 metres is possible this evening. The following roads could be affected by flooding; Manthrig Lane in Caersws . The A489 trunk road at Long Length, Caersws . This message will be updated by 10:00 AM.
North
All peak levels are based on the latest forecast as of 4:00 PM. Caersws was 3.4 metres. A peak level between 3.5 and 3.7 metres is possible this evening. The following roads could be affected by flooding; Manthrig Lane in Caersws. The A 4 8 9 trunk road at Long Length, Caersws. This message will be updated by 10:00 AM.
North
All peak levels are based on the latest forecast as of 1:00 PM. Caersws was 3.1 metres. A peak level between 3.3 and 3.5 metres is possible this evening. The following roads could be affected by flooding; Manthrig Lane in Caersws. The A489 trunk road at Long Length, Caersws. This message will be updated by 6:00 PM.