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

Source: Environment Agency · Buckinghamshire, Hertfordshire, and Oxfordshire

This alert is no longer in effect.

Environment Agency issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this Environment Agency flood warning directly from Environment Agency's official public data feed. See our methodology for full source attribution and refresh cadence.

The Environment Agency has issued a flood alert for the River Thame, Horsenden Stream, and Chalgrove Brook as high river levels threaten low-lying land and roads.

Read this weather record in 30 seconds

Record type
Flood Alert
Affected area
Buckinghamshire, Hertfordshire, and Oxfordshire
Issued
April 6, 2026
Issuing authority
Environment Agency

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions 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.

Original source: Environment Agency Official Notice ↗

All Flood Warnings →

Frequently Asked Questions

Common questions about this Environment Agency flood warning.

What is this Environment Agency flood warning about?
The Environment Agency has issued a flood alert for the River Thame, Horsenden Stream, and Chalgrove Brook as high river levels threaten low-lying land and roads.
Which agency issued this alert?
This alert was issued by Environment Agency. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects Buckinghamshire, Hertfordshire, and Oxfordshire. Check with Environment Agency for the most current geographic scope.
Where can I find more Flood Warnings updates?
Browse the full Flood Warnings feed on Areazine at areazine.com/uk/floods/ for the latest updates from Environment Agency and other agencies.