Buckinghamshire, Greater London, Hillingdon, Slough, Surrey, Windsor and Maidenhead Flood Warnings In Force – EA Alerts





The latest England flood warnings in force for the Hertfordshire and North London region. Data supplied direct from the Environment Agency. Please refresh this page for flood risk updates. Avoid damage to property and travel disruption.

Click here for Flood Warnings and Weather Forecasts.

Flood Warning Area: Hertfordshire and North London

Counties at risk of flooding: Buckinghamshire, Greater London, Hillingdon, Slough, Surrey, Windsor and Maidenhead
Areas at risk of flooding: Colne Brook at Iver and Colnbrook.

Rivers At Flood Risk

Colne Brook

Current Flood Alert: Warning no longer in force 4

Latest flood alert advice from the Environment Agency: The threat of flooding from the Colne Brook has reduced and this flood alert has now been removed. Some light rain showers are forecast over the next few days but no further flooding is expected. There may still be some areas where flood water is present until it can naturally drain away. We will continue to monitor the situation and will issue further alerts or warnings if necessary. Continue to take care on waterside roads and footpaths and don’t put yourself in unnecessary danger.



Flood Level Number / Meaning

1: Severe Flood Warning Severe Flooding, Danger to Life.
2: Flood Warning Flooding is Expected, Immediate Action Required.
3: Flood Alert Flooding is Possible, Be Prepared.
4: Warning no Longer in Force The warning is no longer in force.

Buckinghamshire, Greater London, Hillingdon, Slough, Surrey, Windsor and Maidenhead flood warning updated at: 2024-12-02T07:38:23

For more information on flood risks and action to take for the Hertfordshire and North London region of England:
Click here: Buckinghamshire, Greater London, Hillingdon, Slough, Surrey, Windsor and Maidenhead Flood Warnings

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