Environment Secretary Caroline Spelman will visit the North East of England today as home-owners, businesses and the insurance industry count the cost of a major clean-up operation after freak storms hit the country.
Hundreds of rail engineers are working to repair damaged tracks which disrupted services between England and Scotland.
The volume of rain that fell on Thursday submerged cars and flooded homes which were well away from rivers and streams.
Northern Powergrid said 2,450 customers in the North East were without electricity after lightning strikes damaged supply lines.
Retired school teacher Michael Ellis died on Thursday after he was swept away in floods in Shropshire.
The past three months are the wettest on record, the Environment Agency says
The Environment Agency said the period of April to June has been the wettest since records began.
Rail services were badly disrupted as rain tore away track beds at Scremerston, Northumberland, and landslides in the Lake District and Scottish Highlands caused more problems.
It led to thousands being stranded as no trains could pass between Newcastle and Edinburgh. The route has since been reopened, but with journey times extended by 90 minutes.
A normal service is expected to run between London and Leeds on Saturday.
The Environment Agency has eight flood alerts in place - five in the Midlands - but no warnings.