The Court of Appeal will rule today on the legality of the Government's so-called "bedroom tax," which campaigners say unlawfully discriminates against the disabled.
Judges will also decide in a separate case whether or not the "benefit cap" violates human rights laws and the common law because of its impact on vulnerable families.
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Consumer prices have rocketed by 58% since 2003, with the UK industry paying the biggest bills in Europe.
Friday will be a much calmer day for many, with the weather set to remain dryer with sunny periods and much lighter winds than on Thursday.
Teachers and managers in particularly are putting in hundreds of hours of overtime free of charge.