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Flooding is possible - be prepared

Flood alert for River Thames from Shepperton to Molesey

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High river levels today may lead to flooding.

Flooding is possible on 20 Feb 2026.

River levels are high on the River Thames. Flooding of low lying land and roads is expected to continue today, 20 Feb 2026, especially in the Shepperton, Sunbury and Molesey areas. Some light rainfall is forecast for today and tomorrow. We expect river levels to remain high over the next few days.

We are monitoring rainfall and river levels. We are liaising with emergency services and local authorities.

Avoid using low lying footpaths and any bridges near local watercourses. Go to River levels online for updates on current river levels.

This message will be updated by 20:00 21 Feb 2026 or as the situation changes.

Flood alert area: River Thames from Shepperton to West and East Molesey including Hamm Court, Walton-on-Thames and Sunbury.

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