Flood Alert Issued for River Thames Near Henley, Remenham, and Medmenham

Alert Details

The Environment Agency has issued a Flood Alert for the River Thames and its tributaries. This alert was officially raised at 4:38 PM on February 15, 2026, following a rise in river levels that may lead to flooding in the region.

Affected Areas

The alert specifically covers the River Thames for Henley, Remenham, and Medmenham. The geographic scope includes the following counties and watercourses:

• Counties: Buckinghamshire, Oxfordshire, Windsor and Maidenhead, and Wokingham.
• Rivers and Streams: River Thames, Assendon Stream, and Hambledon Brook.

What You Should Do

Residents in the warning area are advised to take the following precautions:

• Avoid using low-lying footpaths and any bridges located near local watercourses.
• Do not attempt to walk, cycle, or drive through flood water.
• Stay informed as the situation develops and river levels are monitored.

Expected Conditions

Flooding of low-lying land and roads is expected to continue over the coming days, with the Henley area identified as particularly vulnerable. Further rainfall is forecast for the afternoon and evening of February 15, which may be heavy at times. The Environment Agency expects river levels to remain high and highly responsive to additional rainfall throughout the next few days.

Timeline

The alert is effective immediately as of February 15, 2026, with flooding possibilities extending into February 16, 2026. The Environment Agency will provide an update on this message by 8:00 PM on February 16, 2026, or sooner if the situation changes.