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River Thame, Horsenden Stream and Chalgrove Brook

River Thame from Marsworth to Dorchester including, Long Marston, Rowsham, North Aylesbury, Cuddington, Thame, Ickford, Wheatley, Drayton St Leonard, Overy, the Horsenden Stream at Princes Risborough and the Chalgrove Brook at Chalgrove and Stadhampton

Flood alert area River Thame, Horsenden Stream, Chalgrove Brook Buckinghamshire, Hertfordshire, Oxfordshire Thames

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Nearby Monitoring Stations

Flood Event History (50)

18 Mar 2026 at 5:07pm Flood Alert
There is no longer a threat of flooding, though standing water and debris may still remain.  Weather conditions are expected to improve and no further flooding is expected.   We will continue to monitor the situation and will issue further alerts or warnings if necessary.   Continue to take care o...
18 Mar 2026 at 8:26am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. River levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 18 March 2026. The forecast is for it to ...
17 Mar 2026 at 5:09pm Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. River levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 17 March 2026. The forecast is for it to...
17 Mar 2026 at 7:23am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. River levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 17 March 2026. The forecast is for a dry ...
16 Mar 2026 at 5:14pm Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. River levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 16 March 2026. The forecast is for this e...
16 Mar 2026 at 9:13am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. River levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 16 March 2026. The forecast is for a most...
15 Mar 2026 at 4:52pm Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. River levels along the River Thame are currently below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 15 March 2026. The forecast is ...
15 Mar 2026 at 9:09am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. River levels along the River Thame are currently below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 15 March 2026. The forecast for...
14 Mar 2026 at 5:02pm Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. River levels along the River Thame are currently below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 14 March 2026. This evening and...
14 Mar 2026 at 9:24am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. River levels along the River Thame are currently below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 14 March 2026. The forecast is ...
13 Mar 2026 at 9:21am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. River levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 13 March 2026. The forecast is for a wind...
12 Mar 2026 at 8:43am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. Levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 12 March 2026. The forecast is for a mostly dry...
11 Mar 2026 at 8:27am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. Levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 11 March 2026. The forecast is for a predomina...
10 Mar 2026 at 9:09am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. Levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 10 March 2026. The forecast is for a predomina...
9 Mar 2026 at 9:09am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. Levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 8 March 2026. The forecast is for a predominan...
9 Mar 2026 at 9:03am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. Levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 8 March 2026. The forecast is for a predominan...
8 Mar 2026 at 8:42am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. Levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 8 March 2026. The forecast is for a predominan...
7 Mar 2026 at 8:21am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. Levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 7 March 2026. The forecast is for a predominan...
6 Mar 2026 at 10:23am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. Levels along the River Thame are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 6 March 2026. The forecast is for rain from th...
5 Mar 2026 at 10:46am Flood Alert
High river levels may lead to flooding. River levels are high on the Chalgrove Brook through Chalgrove. Levels along the River Thames are below the flood risk threshold. Flooding of low lying land and roads in the Chalgrove area remains possible today, 5 March 2026. The forecast is for a dry day t...
4 Mar 2026 at 8:33am Flood Alert
High river levels may lead to flooding. River levels are high on parts of the River Thame in the Dorchester area. Flooding of low lying land and roads is expected to continue today, 4 March 2026. The forecast is to remain dry today and for the next few days. We expect levels to decrease over the ...
3 Mar 2026 at 9:09am Flood Alert
High river levels may lead to flooding. River levels are high on parts of the River Thame in the Dorchester area. Flooding of low lying land and roads is expected to continue today, 3 March 2026. The forecast is to remain dry today and for the next few days. We expect levels to decrease over the ...
2 Mar 2026 at 8:23am Flood Alert
High river levels may lead to flooding. River levels are high on parts of the River Thame in the Dorchester area. Flooding of low lying land and roads is expected to continue today, 2 March 2026. The forecast is for a dry day today. then remaining dry for the next few days. We expect levels to dec...
1 Mar 2026 at 8:37am Flood Alert
High river levels may lead to flooding. River levels are high on parts of the River Thame in the Dorchester area. Flooding of low lying land and roads is expected to continue today, 1 March 2026. The forecast is for further light rain today, 1 March 2026, before a dry day tomorrow. Levels are fall...
28 Feb 2026 at 10:29am Flood Alert
High river levels may lead to flooding. River levels are high on parts of the River Thame in the Dorchester. Flooding of low lying land and roads is expected to continue today, 28 February 2026. The forecast is for some further light rain over the weekend. We expect river levels to remain high and...
27 Feb 2026 at 10:04am Flood Alert
High river levels may lead to flooding. River levels are high on parts of the River Thame. Flooding of low lying land and roads is expected to continue today, 27 February 2026, between Stadhampton and Dorchester. The forecast is for rain overnight tonight, which could be heavy at times and some fu...
26 Feb 2026 at 10:59am Flood Alert
High river levels may lead to flooding. River levels are high on parts of the River Thame. Flooding of low lying land and roads is expected to continue today, 26 February 2026, between Stadhampton and Dorchester. The forecast is for some rain overnight tonight and further rain tomorrow and into th...
25 Feb 2026 at 8:55am Flood Alert
High river levels may lead to flooding. River levels are high on parts of the River Thame. Flooding of low lying land and roads is expected to continue today, 25 February 2026, including in the Thame, Stadhampton, and Dorchester areas. The forecast is predominantly dry today with rain tomorrow. We...
9 Jan 2026 at 4:10pm Flood Alert
8 Dec 2025 at 7:36pm Flood Alert
14 Nov 2025 at 6:05pm Flood Alert
25 Feb 2025 at 7:04am Flood Alert
10 Feb 2025 at 9:03am Flood Alert
27 Jan 2025 at 7:34am Flood Alert
5 Jan 2025 at 1:40pm Flood Alert
20 Dec 2024 at 5:04pm Flood Alert
24 Nov 2024 at 9:23am Flood Alert
9 Oct 2024 at 7:57am Flood Alert
23 Sep 2024 at 9:04am Flood Alert
7 Jul 2024 at 9:12am Flood Alert
22 May 2024 at 5:56pm Flood Alert
28 Apr 2024 at 1:32pm Flood Alert
27 Mar 2024 at 4:32pm Flood Alert
11 Mar 2024 at 8:02am Flood Alert
7 Feb 2024 at 11:02am Flood Alert
27 Dec 2023 at 10:25am Flood Alert
4 Dec 2023 at 6:13pm Flood Alert
11 Nov 2023 at 3:11pm Flood Alert
6 Nov 2023 at 11:52am Flood Alert
14 Oct 2023 at 6:42am Flood Alert

Official sources for this area

This area on the Environment Agency’s flood service →
Floodline quick dial: 171115 — call 0345 988 1188 and give that code for a recorded update on this area.
Area code: 061WAF19Thame

Live warnings and area boundaries are the Environment Agency’s and the EA is the authority on them. Contains public sector information licensed under the Open Government Licence v3.0. This area in the EA’s own data.