Flood Alert Issued for River Thame and Surrounding Areas in Buckinghamshire, Hertfordshire, and Oxfordshire

Alert Details

The Environment Agency has issued a Flood Alert (Severity Level 3) for the River Thame and its tributaries. This alert indicates that flooding is possible and residents should remain prepared for changing conditions.

Affected Areas

The alert covers the River Thame, Horsenden Stream, and Chalgrove Brook. Specific geographic regions impacted include:

• Counties: Buckinghamshire, Hertfordshire, and Oxfordshire
• Specific Locations: Aylesbury, Thame, Stadhampton, and Dorchester areas

What You Should Do

Residents and travelers in the affected areas are advised to take the following precautions:

• Avoid using low-lying footpaths and roads near rivers, as these areas are most susceptible to flooding.
• Monitor local weather reports and river levels.
• Visit the River Levels Online service for the most current data on water levels in the region.

Expected Conditions

High river levels are currently affecting parts of the River Thame, leading to the flooding of low-lying land and roads. This situation is expected to continue throughout Sunday, February 15, 2026. Further rainfall is forecast for today, which may be heavy at times. Officials expect river levels to remain high over the coming days as runoff continues to enter the system.

Timeline

The alert was officially raised at 8:55 AM on February 15, 2026. The Environment Agency is actively monitoring rainfall and river levels and expects the situation to persist for several days. An update to this message is scheduled to be provided by 12:00 PM on February 16, 2026, or sooner if conditions change significantly.