The Radlett and Borehamwood Brooks at Borehamwood.
See below for historical flood warnings, or use the live map to check the latest warnings across the UK.
The red highlighted area on the map below outlines the area covered by this Flood Warning.
Number of historic Flood Warnings that have previously been recorded for this area.
Radlett Brook
Flooding is expected from 1:30 PM on Saturday 19th July 2025. Flooding is forecast to affect locations near the Colne, with low lying land and roads expected to be most affected, particularly around Shetland Close. Further rainfall is forecast throughout the day. We are monitoring rainfall, river levels, and clearing screens and blockages. Start acting on your flood plan if you have one and activate any property flood protection products you may have. Take care and avoid walking, cycling or driving through flood water. This message will be updated by 7:00 PM on Saturday 19th July, or as the situation changes.