Multiple flood alerts have been issued with a warning already in place.
The Environment Agency has issued a number of alerts for the county.
These include:
Rivers Caldew and Petteril
Upper River Derwent, Stonethwaite Beck and Derwent Water
Upper River Eden
There is currently a warning in place for Keswick Campsite.
A spokesman for EA said: "River levels are forecast to rise at the Stockdalewath and Cummersdale river gauges during early Saturday morning in response to persistent heavy rainfall expected overnight into Saturday.
"Consequently, flooding of roads and farmland is expected.
Flooding is expected to affect low lying land and roads in the Millhouse, Caldbeck, Sebergham, Ivegill, Stockdalewath, Dalston, Cummersdale, Denton Holme, Greystoke, Plumpton, Upperby and Harraby Green areas.
" High river levels are possible on the River Caldew, Cald Beck, River Ive, River Roe, North Petteril, River Petteril and their tributaries.
"River levels will remain high until this rain has passed.
"We are closely monitoring the situation. Our staff are clearing debris screens.
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