A flood alert, meaning flooding is possible, has been issued by the Environment Agency for properties near the River Bain from Goulceby to Tattershall, including the River Waring.
There is also a flood alert on the River Steeping between Tetford and Wainfleet, including Stockwith Mill, Partney, Croft and Wainfleet. Tributaries may also affect Great Steeping.
The EA said: “Significant rain has fallen overnight and the river levels have started to rise. We expect the river to continue to rise.
“Low lying land and roads are likely to be affected first.”
The Environment Agency advises anyone wanting more information call Floodline on 0345 988 1188, select option 1 and enter Quickdial number 031335