Flood Alert Issued for River Thame and Chalgrove Brook in Buckinghamshire 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This alert is no longer in effect.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, warning of high river levels and flooding in low-lying areas.

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 for the River Thame, Horsenden Stream, and Chalgrove Brook. This alert was raised on February 16, 2026, at 10:55 AM following reports of high river levels in the Thames area.

Affected Areas

The alert covers geographic regions within Buckinghamshire, Hertfordshire, and Oxfordshire. Specific areas expected to see flooding of low-lying land and roads include:

  • Aylesbury
  • Thame
  • Stadhampton
  • Dorchester

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 may be flooded.
  • Monitor current river levels through the River Levels Online service.
  • Stay informed as the situation develops.

Expected Conditions

River levels are currently high on parts of the River Thame. While the forecast for today, February 16, is predominantly dry, scattered showers are expected, some of which may be heavy. These conditions are likely to keep river levels high over the coming days, leading to continued flooding of low-lying land and roads.

Timeline

The alert is effective as of February 16, 2026. The Environment Agency expects river levels to remain elevated for several days. An update to this message is scheduled to be provided by 12:00 PM on February 17, 2026, or sooner if the situation changes.

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, warning of high river levels and flooding in low-lying areas.
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.