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No official flood warning is active nearby and the closest river stations are within normal ranges.
Updated 2026-10-10 12:33:12 UTC · Official GOV.UK warnings · Flood preparation & help guide
Thornborough is a village and civil parish in north Buckinghamshire, England, around 2 miles (3.2 km) east of Buckingham.
The nearest watercourse on the river map is the River Great Ouse, about 40 m from the middle of Thornborough's gauges. It flows into Hundred Foot Drain (New Bedford River) about 155 km downstream.
A gauge downstream shows water that has already passed this point; one upstream sees it first. Distances along the river are from the point on the River Great Ouse nearest the middle of Thornborough's gauges. From Ordnance Survey’s river map (OS Open Rivers), which leaves out small streams, ditches and culverts, so a nearer one may exist. This describes where water goes on the map; it says nothing about flooding at any address. Contains OS data © Crown copyright and database rights 2026.
Thornborough is monitored by 1 Environment Agency river level station on the River Great Ouse, in Buckinghamshire. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.
The River Great Ouse is monitored by 1 station (Thornborough). Each station records water levels continuously, with data synced to FloodRadar every 5 minutes.
There are 7 Environment Agency flood warning areas within 10km of Thornborough. When the EA issues a flood warning for any of these areas, it will appear on this page. These include: Padbury Mill, Thornborough Mill, Thornton College at Thornton, Beachampton and The Mill at Passenham; Fulwell, Tingewick Mill, Radclive, and Glynswood Road, School Lane, Nelson Street, Hunter Street, Chandos Road, Well Street, Victoria Row, Ford Street, Candleford Court, Stratford Road and Marsh Edge in Buckingham; River Great Ouse from Thornborough to Newport Pagnell, including Dogsmouth Brook; Horn Lane, Willow Lane, Mill Lane, High Street, Fegan's Court, St Paul's Court, Ostlers Lane, Magdelen Close and Queen Eleanor Street.
There are 7 storm overflows within 5km of Thornborough. None of the 6 with a reporting monitor are currently discharging (1 has no live status right now). Enable "Sewage" on the map above to see their locations.
6 of them, nearest first, with their own page of live status and past discharges:
If flooding is forecast in Thornborough, call Floodline on 0345 988 1188 for the latest information. Move valuables upstairs, turn off gas and electricity if safe to do so, and avoid walking or driving through flood water. Sign up for flood warnings on any station page above to receive email alerts when water levels rise. For emergency numbers, a preparation checklist and insurance guidance, see our flood help & preparation guide.
Thornborough gets about 685 mm of rain a year on average (wettest month October, 71 mm; driest March, 43 mm). That is 41% drier than the UK as a whole, which averages 1,163 mm a year. See the rain gauges →
A thirty-year average for the area, not a forecast and not a flood risk on its own. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.3 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
Floods whose mapped extent (EA Recorded Flood Outlines) reached within ~5 km of the town centre — most recent first. These are records of mapped extents, not a full list of floods. See them on the map →
Records, not floods: no outline on the record is not evidence a place has not flooded.
Current verdict: Normal. No official flood warning is active nearby and the closest river stations are within normal ranges.
Thornborough has river level monitoring on River Great Ouse — 1 monitoring station in total.
Use the GOV.UK Check for Flooding service (check-for-flooding.service.gov.uk) or call Floodline on 0345 988 1188 (24 hours). You can also set up free FloodRadar email or browser alerts from any station page above.
Follow official advice: move valuables and vehicles to safety, never walk or drive through flood water, turn off gas and electricity if safe, and check on vulnerable neighbours. See our flood preparation guide at floodradar.co.uk/flood-help.
Yes — the Environment Agency's Recorded Flood Outlines dataset shows 4 recorded flood extents around the town centre since 1703, most recently in 1998. That is a count of mapped extents, not of separate floods. Records, not floods: no outline on the record is not evidence a place has not flooded. See the flood history link below.
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