Flood Alert Info - Helford and Fal Rivers
Area Description
The Lizard, Penryn, Falmouth, Truro, Ladock, Tresillian and Grampound.
This is a Flood Alert Area. For this area the highest level of flood notification that you will receive is a Flood Alert. No Flood Warnings or Severe Flood Warnings are issued for this area.
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There are no Flood Alerts currently in force for this area. See below for historical flood warnings.
Area Covered by this Flood Alert
The orange highlighted area on the map below outlines the area covered by this Flood Alert.
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Flood Alert History
Number of historic Flood Alerts that have previously been recorded for this area:
We can provide a Flood Insurance Quote for properties in the Truro area
Historical Flood Alerts for this Area
Flood Alert issued on 18 Dec 2025 12:07
River Kenwyn, Rover Allen, River Fal, River Tinney
Forecast high river levels may lead to flooding
Flooding is possible through 18th December to 19th December.
Following heavy rain, further rain is forecast through Thursday
Forecast river levels may cause flooding to low lying land and roads through Thursday and Friday morning. The main areas of concern are near the Tresillian River.
We are closely monitoring the situation and may issue Flood Warnings if required.
Take care and avoid walking, cycling or driving through flood water.
This message will be updated by 12pm 19th December.
Flood Alert issued on 17 Dec 2025 12:51
River Kenwyn, Rover Allen, River Fal, River Tinney
Forecast high river levels over the next three days may lead to flooding.
Flooding is possible from overnight on 17 December 2025 to the afternoon of the 19th December 2025.
Heavy rainfall is forecast in the area during Wednesday. A further band of heavy rain is forecast from Thursday morning.
Forecast river levels may cause flooding to low lying land and roads overnight on Wednesday the 17th December. The main areas of concern are near the Tresillian River.
We expect the river to remain high throughout Thursday and Friday.
We are closely monitoring the situation .
Take care and avoid walking, cycling or driving through flood water and may issue Flood Warnings if required.
This message will be updated by 12:00PM on 18 December 2025 or as the situation changes.
Flood Alert issued on 15 Dec 2025 11:05
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible throughout the day on Monday 15 December 2025
Locations most affected will be low lying land and roads near rivers though no flooding to properties is currently forecast. The main areas of concern are near the Tresillian River.
Catchments are wet and river levels are expected to remain high throughout the day.
We are closely monitoring the situation.
Take care and avoid walking, cycling or driving through flood water.
This message will be updated by 12:00pm Tuesday 16th December 2025.
Flood Alert issued on 14 Dec 2025 16:28
River Kenwyn, Rover Allen, River Fal, River Tinney
Forecast high river levels overnight may lead to flooding.
Flooding is possible from the early hours of 15 December 2025 .
Locations most affected will be low lying land and roads near rivers. The main areas of concern are near the Tresillian River.
We are closely monitoring the situation .
Take care and avoid walking, cycling or driving through flood water .
This message will be updated by 12:00PM on 15 December 2025 or as the situation changes.
Flood Alert issued on 8 Dec 2025 15:13
River Kenwyn, Rover Allen, River Fal, River Tinney
Forecast high river levels overnight may lead to flooding.
Flooding is possible from overnight on 08 December 2025 Heavy rain is forecast throughout the night.
Forecast levels may cause flooding to low lying land and roads close to the river from around midnight on Monday evening through to Tuesday morning.
We expect the river to remain high throughout the night though no flooding to properties is currently forecast.
We are closely monitoring the situation .
Take care and avoid walking, cycling or driving through flood water .
This message will be updated by 3:00PM on 09 December 2025 or as the situation changes.
Flood Alert issued on 5 Dec 2025 18:45
River Kenwyn, Rover Allen, River Fal, River Tinney
Rising river levels this evening may lead to flooding.
Flooding is possible on 05 December 2025 .
Over the last 24 hours we have seen heavy rainfall in the area.
Forecast levels may cause flooding to low lying land and roads close to the river from around 7pm on Friday. The main area of concern is Tresillian.
We expect the river to remain high overnight, though no flooding to properties is currently forecast.
We are closely monitoring the situation .
Take care and avoid walking, cycling or driving through flood water .
This message will be updated by 5:00PM on 06 December 2025 or as the situation changes.
Flood Alert issued on 22 Oct 2025 14:15
River Kenwyn, Rover Allen, River Fal, River Tinney
Forecast high river levels tomorrow morning may lead to flooding.
Flooding is possible on 23 October 2025 from the early hours and into Thursday morning.
Heavy rain is forecast overnight and into Thursday morning.
Forecast levels may cause flooding to low lying land and roads close to rivers from around 3am on Thursday.
We expect the rivers to remain high throughout Thursday though no flooding to properties is currently forecast.
We are closely monitoring the situation .
Avoid low lying roads near rivers, which may be flooded .
This message will be updated by 11:00AM on 23 October 2025 or as the situation changes.
Flood Alert issued on 18 Apr 2025 13:44
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible on Friday 18th of April into Saturday 19th. We have seen heavy rainfall and rivers are now rising. Further heavy rain is forecast through Friday night into Saturday morning, expected levels suggest that there will be flooding to low lying land and roads close to the river. We expect the river to remain high throughout Friday night and early Saturday morning, though no flooding to properties is currently forecast. Monitor your local weather conditions and river levels. We are monitoring river levels and have staff in the area checking for and clearing blockages. This message will be updated on Saturday morning or earlier if the situation changes.
Flood Alert issued on 24 Nov 2024 09:31
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible on Sunday 24th November. Heavy rain associated with Storm Bert has fallen overnight and is forecast to continue during Sunday. Catchments are wet following rainfall earlier in the week. River levels will remain high throughout Sunday.
River levels suggest that there will be flooding to low lying land and roads close to rivers. We expect rivers to remain high throughout Sunday and may issue further flood warnings if required. Take care near areas of concern and avoid walking or driving through floodwater. Monitor your local weather conditions and check river levels on gov.uk. We are monitoring river levels and have staff in the area clearing blockages. This message will be updated by 11am on Monday or earlier if the situation changes.
Flood Alert issued on 23 Nov 2024 10:45
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible on Saturday evening and overnight into Sunday. Heavy rain associated with Storm Bert is forecast from lunchtime Saturday until early Sunday morning. Catchments are wet following rainfall earlier in the week. River levels are expected to be high from 10pm Saturday night and remain high throughout Sunday.
Expected levels suggest that there will be flooding to low lying land and roads close to rivers from around 10pm on Saturday 23rd November. We expect rivers to remain high throughout Sunday and may issue further flood warnings if required. Take care near areas of concern and avoid walking or driving through floodwater. Monitor your local weather conditions and check river levels on gov.uk. We are monitoring river levels and have staff in the area clearing blockages. This message will be updated by 11am on Sunday or earlier if the situation changes.
Flood Alert issued on 16 Oct 2024 10:39
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible on Wednesday following overnight rain, with further spells of heavy rain forecast until Wednesday evening.
Following prolonged rainfall, catchments are wet. Rivers are expected to remain high leading to flooding of low-lying land and roads until Wednesday evening. Some areas may see surface water flooding. Weather conditions are expected to improve from Wednesday evening into Thursday.
Take care near the areas of concern and monitor your local weather conditions. Avoid walking, cycling or driving through flood water. We are monitoring river levels.
This message will be updated by 11am on Thursday morning, or earlier if the situation changes.
Flood Alert issued on 15 Oct 2024 16:48
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible overnight on Tuesday 15th October and into Wednesday. An area of persistent rain with heavy and thundery bursts at times will arrive from the south from early this evening. The highest rainfall totals are expected on south facing slopes of higher ground but there is a risk of bands of more prolonged, intense rainfall anywhere in the area overnight and throughout the morning.
Following recent rainfall, catchments are wet. Rivers are expected to rise before midnight and remain high overnight into Wednesday morning, leading to flooding of low lying land and roads. Some areas may see surface water flooding. Weather conditions are expected to improve during Wednesday.
Take care and avoid walking, cycling or driving through flood water. We are monitoring river levels.
This message will be updated on Wednesday morning, or earlier if the situation changes.
Flood Alert issued on 26 Mar 2024 16:48
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding remains possible during the evening of Tuesday 26th March, and into the night.
Rivers remain high following recent rainfall, with further rain expected overnight and into Wednesday. Flooding of low lying land and roads close to rivers is possible. We expect rivers to remain high through Wednesday, though no flooding to properties is currently forecast.
Take care near the areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area checking for and clearing blockages. This message will be updated on Wednesday morning or earlier if the situation changes.
Flood Alert issued on 26 Mar 2024 11:22
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible after prolonged rainfall across Cornwall on 25th March and river levels remain elevated across the area.
Flooding of low lying land and roads close to the river is possible. We expect rivers to remain high through Tuesday 26th March, though no flooding to properties is currently forecast.
Take care near the areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area checking for and clearing blockages. This message will be updated on Wednesday morning or earlier if the situation changes.
Flood Alert issued on 25 Mar 2024 20:06
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible during the evening of Monday 25th March, and into the night.
Prolonged rainfall across Cornwall over the past 12 hours has brought totals of around 40mm in localised areas. Rainfall is expected to continue until around midnight on Monday.
Catchments are saturated and the Tresillian River at Ladock has responded to this rainfall, which could cause flooding to low lying land and roads close to the river on Monday evening and into the night. We expect rivers to remain high into Tuesday, though no flooding to properties is currently forecast.
Take care near the areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area checking for and clearing blockages. This message will be updated on Tuesday morning or earlier if the situation changes.
Flood Alert issued on 25 Feb 2024 12:20
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible on Sunday the 25th of February and overnight into Monday 26th of February. Recent rainfall has caused the rivers to rise. Expected levels suggest there will be flooding to low lying land and roads close to the river this afternoon and into the early hours of Monday morning.
The Met Office has issued a Yellow Weather Warning for heavy rain in force until midnight, with forecast rainfall of 15 - 25 mm widely, and up to 60 mm in some locations. With saturated ground, rivers are expected to respond quickly to this rainfall.
Take care near areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area clearing blockages.
This message will be updated by 11am Monday the 26th of February, or earlier if the situation changes.
Flood Alert issued on 2 Jan 2024 12:12
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible during the afternoon of Tuesday 2nd January and overnight into Wednesday 3rd January. Rivers have risen in response to the heavy rainfall last night and this morning. Further heavy showers are forecast throughout the afternoon and overnight. Expected levels suggest that there will be flooding to low lying land and roads close to the river.
We expect rivers to remain high into Tuesday night. Take care near the areas of concern and monitor your local weather conditions. Please do not walk or drive through flood water. You can check your local river level on the GOV.UK website under 'Check for Flooding'. We are monitoring river levels and have staff in the area checking for and clearing blockages. This message will be updated in the morning on Wednesday 3rd January, or earlier if the situation changes.
Flood Alert issued on 1 Jan 2024 13:12
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible on Monday 1st January evening and overnight into Tuesday 2nd January. Persistent rainfall means the Rivers Helford and Fal are forecast to rise. Rain is forecast through Monday afternoon with further rain in the early hours of Tuesday morning. Expected levels suggest that there will be flooding to low lying land and roads close to the river. This alert has been issued off a flood forecast.
We expect the river to remain high overnight on Monday and Tuesday. Take care near the areas of concern and monitor your local weather conditions. Please do not walk or drive through flood water. You can check your local river level on the GOV.UK website under 'Check for Flooding'. We are monitoring river levels and have staff in the area checking for and clearing blockages. This message will be updated on Tuesday 2nd January morning or earlier if the situation changes.
Flood Alert issued on 8 Dec 2023 12:10
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible during the night of Friday 8th December and morning of Saturday 9th December. Rivers remain high after the recent rainfall and another band of rain will fall overnight tonight and into tomorrow morning. Rivers are expected to peak on Saturday morning. The remainder of Saturday is forecast to be drier with some showers. Take care near the areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area checking for and clearing blockages. Do not walk or drive through flood water. This message will be updated on Saturday morning or earlier if the situation changes.
Flood Alert issued on 7 Dec 2023 17:37
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible throughout Thursday 7th December. Over the last 24 hours, we have seen heavy rainfall. River levels have risen throughout the day and are expected to remain high overnight. Although no further rain is forecast during this time, more rainfall is expected for late Friday night and early Saturday morning. Take care near the areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area checking for and clearing blockages. Do not walk or drive through flood water. This message will be updated by Friday midday or earlier if the situation changes.
Flood Alert issued on 7 Dec 2023 10:09
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible throughout Thursday 7th December. River levels remain high following the heavy rainfall overnight. A band of heavy rain will move quickly over the area this morning with totals of up to 40mm expected. This is expected to clear by this afternoon, and will be followed by showers. River levels may start to fall later in the day. Further rainfall is forecast for late Friday night and early Saturday morning. Take care near the areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area checking for and clearing blockages. Do not walk or drive through flood water. This message will be updated by Thursday evening or earlier if the situation changes.
Flood Alert issued on 6 Dec 2023 23:37
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible overnight tonight and during tomorrow, Thursday 7th December. Up to 30mm of rain has fallen since earlier this evening and rivers have risen quickly in response. Further rain, heavy at times is forecast overnight and during Thursday. Take care near the areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area checking for and clearing blockages. Do not walk or drive through flood water. This message will be updated on Thursday morning or earlier if the situation changes.
Flood Alert issued on 15 Nov 2023 17:29
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible overnight on Wednesday the 15th of November, and into Thursday morning. An organised band of frontal rain is forecast to move across Cornwall from around 8pm this evening. Rainfall is forecast to be heavy and persistent until mid-morning. We are expecting accumulations of up to 30mm widely across Cornwall, but locally this may be higher.
Catchments are very wet following recent rainfall, river levels are expected to rise which may result in flooding to low lying land and roads close to the river.
Take care near the areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area checking for and clearing blockages. This message will be updated on Thursday morning or earlier if the situation changes.
Flood Alert issued on 29 Oct 2021 18:00
River Kenwyn, Rover Allen, River Fal, River Tinney
Flooding is possible throughout tonight, Friday 29th October and into Saturday due to further persistent and heavy rainfall forecast. River levels have fallen over Friday daytime, but catchments remain saturated following the rainfall over the last 24 hours.
Widespread totals forecast overnight are for 10-20mm, with up to 35mm in a few places. There is uncertainty over the location of the most intense rainfall.
Rivers will respond quickly to this additional rainfall and flooding is possible to low lying land and roads close to rivers from 9pm on Friday evening and continuing through Saturday. Additional flood warnings may be issued for some locations.
Surface water may be deep, especially where leaves have blocked the drains.
Take care near the areas of concern and monitor your local weather conditions. We are monitoring river levels and have staff in the area undertaking maintenance as required.
Further unsettled weather has been forecast for the weekend. This message will be updated by midday on Saturday or earlier if the situation changes.
Flood Alert issued on 19 Dec 2020 12:29
River Kenwyn, Rover Allen, River Fal, River Tinney
Following the heavy rain last night falling onto already saturated catchments, river levels remain high on Saturday 19 December. Although river levels are expected to fall slowly throughout the day, scattered showers are forecast over the weekend, and rivers may respond to further rainfall. We will continue to monitor conditions and issue updates as required.