The latest England flood warnings in force for the
Thames 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: Thames
Counties at risk of flooding:
Hampshire Areas at risk of flooding: Groundwater flooding in the Alton area.
Rivers At Flood Risk
Groundwater
Current Flood Alert: Flood alert 3
Latest flood alert advice from the Environment Agency: Rising groundwater levels may lead to flooding. Flooding is possible from 10th February 2026. Groundwater levels are currently rising at our Farringdon borehole near Alton. Groundwater levels are above normal for this time of year. We expect levels to rise over the next few weeks due to sustained rainfall across the area. Due to the nature of groundwater flooding, this situation could continue for several weeks or longer. We are closely monitoring the situation . Residents are advised to prepare property resilience measures and ensure that pumps are working where they have been installed . This message will be updated by 8:00PM on 17 February 2026 or as the situation changes.
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Warning Flooding is Expected, Immediate Action Required. 3: Flood Alert Flooding is Possible, Be Prepared. 4: Warning no Longer in Force The warning is no longer in force. Hampshire flood warning updated at: 2026-02-10T16:19:03 For more information on flood risks and action to take for the Thames region of England:
Click here:
Hampshire Flood Warnings
