Thousands without power in Tas (AAP)

Thousands of Tasmanians are without power as winds up to 130km/h lash the state.

More than 3000 homes were already without power before the winds hit, and TasNetworks said it expected that number to rise on Friday.

The deadly winds claimed the life of 63-year-old Launceston woman on Thursday, when a tree fell on her outside her home.

She was trapped under the tree when it fell while she and her husband were clearing other fallen trees on their property.

TasNetworks spokeswoman Ann Kile said extra crews have been deployed to deal with the damage.

"The bad weather forecast may cause prolonged interruptions to supply and we are asking people to prepare as best they can - have torches to hand, charge mobile devices," Ms Kile said.

Wild weather has lashed the state since Monday night, bringing down roofs, trees and power lines.

SES regional manager Mhairi Revie said its resources were being stretched due to the number of roofs that needed replacing.

"When people experience property damage due to severe weather, we firstly advise them to contact their insurer," Ms Revie said.

"Not only does this ease the operational pressure on the SES, but it also ensures that we as an agency are not taking work away from the local building industry."

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