This is an archived message. The status has changed more recently.
Flooding possible. Be prepared.
Rain is forecast from Wednesday afternoon to Thursday. From 23:00 on 18/02/2026, minor flooding could affect fields, rural roads, and possibly the gardens of Tanbridge Park, Blackbridge Court, Arunside School fields, gardens of mill properties near Broadbridge Heath. From 10:00 on 19/02/2026 minor flooding could affect gardens near Pallingham Lock. If more rain occurs than expected, isolated property flooding is possible. Only isolated showers are forecast Thursday afternoon, Friday, and over the weekend. River levels should begin to fall by 10:00 on 19/02/2026 Thursday morning in Horsham, and by 22:00 on 19/02/2026 Thursday evening at Pallingham Lock. River levels will continue to slowly fall on Friday and through the weekend. Unsettled weather could continue throughout February, with further periods of flood risk possible. Our automatic sluice at Provender Mill is operating to reduce flood risk. Consider activating any flood protection products you may have in Wanford. This message will be updated by 20:00 on 19/02/2026.
Information supplied by the Environment Agency
This information last updated 2:45pm, Wednesday 18th February.
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Warning no longer in force
Fri 20 Feb 2026, 1:20pm
Flood alert
Thu 19 Feb 2026, 11:46am
Flood alert
Wed 18 Feb 2026, 2:45pm
Flood alert
Tue 17 Feb 2026, 3:22pm
Flood alert
Mon 16 Feb 2026, 1:49pm
Flood alert
Sun 15 Feb 2026, 1:08pm
Flood alert
Sun 15 Feb 2026, 9:57am
Flood alert
Sat 14 Feb 2026, 12:45pm
Warning no longer in force
Fri 13 Feb 2026, 10:52am
Flood alert
Thu 12 Feb 2026, 8:45am
The Rivers Arun, North River, Kird and Par Brook
Region: Solent and South Downs
Country: England
Counties covered: Surrey, West Sussex
Watercourses covered: Arun
The area bounded in blue on the map shows the area covered by flood alerts and warnings for Upper Arun.
Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.