Flood Alert Issued for River Thames from Calcutt to Lechlade

Source: Environment Agency · Gloucestershire, Oxfordshire, Swindon, and Wiltshire

This alert is no longer in effect.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 Thames and its tributaries across Gloucestershire, Oxfordshire, Swindon, and Wiltshire as high water levels persist.

Read this weather record in 30 seconds

Record type
Flood Alert
Affected area
Gloucestershire, Oxfordshire, Swindon, and Wiltshire
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 Gloucestershire, Oxfordshire, Swindon, and Wiltshire.

Alert Details

The Environment Agency has issued a flood alert for the River Thames and its small tributaries from Calcutt to Lechlade. This alert, designated as severity level 3, indicates that flooding is possible and residents should remain prepared for changing conditions.

Affected Areas

The alert covers a geographic scope spanning Gloucestershire, Oxfordshire, Swindon, and Wiltshire. Specific watercourses of concern include:

  • River Thames
  • Blunsdon Brook
  • Water Eaton Brook
  • Marston Meysey Brook
  • Share Ditch
  • Bydemill Brook
  • Westrop Brook
  • Downington Brook

Flooding of low-lying land and roads is expected to continue today, February 17, 2026, with particular impact noted in the Kempsford area.

What You Should Do

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

  • Avoid using low-lying footpaths and roads near rivers, as these areas may be flooded.
  • Monitor current river levels via the official River Levels Online service.
  • Stay informed on local weather updates as river levels remain responsive to additional rainfall.

Expected Conditions

River levels are currently high but are slowly falling across the Thames and its tributaries. While today and tonight are forecasted to be predominantly dry, further rain is expected tomorrow. Because the ground remains saturated and river levels are high, the system is expected to be highly responsive to the incoming rainfall over the next couple of days.

Timeline

The alert was raised at 11:21 AM on February 17, 2026. The Environment Agency is monitoring the situation and expects to provide an update by 12:00 PM on February 18, 2026, or sooner if conditions change.

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 Thames and its tributaries across Gloucestershire, Oxfordshire, Swindon, and Wiltshire as high water levels persist.
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 "low" severity. No immediate action required, but stay aware.
What area is affected?
This alert affects Gloucestershire, Oxfordshire, Swindon, and Wiltshire. 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.