From the Environment Agency:
Flooding is possible today, Wednesday 20th January.
Over the last 12 hours we have seen heavy rainfall and the River Tamar levels have risen.
Further heavy rain is forecast today from around 4pm and into the evening before clearing overnight.
In response, river levels will rise and flooding is possible to low lying land and roads close to the river.
Take care near the areas of concern and monitor local conditions.
Thursday will bring dryer conditions before more wet weather on Saturday.