Flood Alert Issued for River Thames Between Datchet and Shepperton Green
This alert is no longer in effect.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 parts of Slough, Surrey, and Windsor and Maidenhead as high river levels and heavy rain threaten low-lying areas.
Read this weather record in 30 seconds
- Record type
- Flood Alert
- Affected area
- Slough, Surrey, and Windsor and Maidenhead
- 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 Slough, Surrey, and Windsor and Maidenhead.
Alert Details
The Environment Agency has issued a Flood Alert (Severity Level 3) for the River Thames. The alert was officially raised on February 15, 2026, at 4:43 PM following a rise in river levels.
Affected Areas
The alert covers the River Thames from Datchet to Shepperton Green. The geographic scope includes the following counties and regions:
- Slough
- Surrey
- Windsor and Maidenhead
Flooding of low-lying land and roads is expected to continue over the coming days, with particular concern for the Penton Hook, Old Windsor, Runnymede, and Chertsey areas.
What You Should Do
Residents and visitors in the affected regions are advised to take the following safety precautions:
- Avoid walking, cycling, or driving through flood water.
- Avoid using low-lying footpaths and any bridges located near local watercourses.
- Monitor local conditions as river levels remain responsive to further rainfall.
Expected Conditions
High river levels are currently present and may lead to flooding of roads and low-lying land. Further rainfall is forecast for the afternoon and evening of February 15, 2026, which is expected to be heavy at times. The Environment Agency expects river levels to remain high for the next several days in response to this additional precipitation.
Timeline
The flood alert is effective immediately as of February 15, 2026, and is expected to persist into February 16, 2026. The Environment Agency will monitor the situation closely and plans to provide an updated message by 8:00 PM on February 16, 2026, or sooner if the situation changes.
Original source: Environment Agency Official Notice ↗
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Common questions about this Environment Agency flood warning.