A Flood Alert was issued for Upper River Don catchment in Barnsley, Sheffield on 27th August 2026. Affected watercourses included the River Don, River Loxley, River Rivelin.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Don at Kilnhurst Lower rose 2.35m, peaking at 2.71m, while the River Don at Rotherham climbed 1.11m.
Environment Agency advice issued
Rising river levels today may lead to flooding. Flooding is possible on 27 August 2026 due to the heavy and thundery downpours expected today. Locations most affected will be low lying land and roads near rivers. We are closely monitoring the situation as river levels may rise suddenly and cause surface water flooding. Take care and avoid walking, cycling or driving through flood water . This message will be updated by 11:00PM on 27 August 2026 or as the situation changes.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Kilnhurst Lower | River Don | +2.35m | 2.71m |
| Rotherham | River Don | +1.11m | 1.11m |
| Sheffield Lady's Bridge | River Don | +0.85m | 1.24m |
| Rotherham Forge Island | River Don | +0.80m | 0.96m |
| Hadfields | River Don | +0.56m | 0.88m |
| Malinbridge | River Loxley | +0.47m | 0.69m |
| Wharncliffe Side | River Don | +0.24m | 1.09m |
| Oxspring Bower Hill | River Don | +0.18m | 0.16m |
| Penistone | River Don | +0.13m | 0.42m |
| Loxley Rowell Bridge | River Loxley | +0.09m | 0.16m |