Eight buildings in the small town of Karlgarin have been left without roofs after a thunderstorm tore through the Wheatbelt overnight.

The front hit the tiny farming community about 5pm, bringing with it heavy rain and winds of up to 90km/hr that damaged the town's post office, school and caravan park

A Department of Fire and Emergency Services spokesman said the wild weather had a big impact on the town, which has a population of a less than 50 people.

"It is a very small community with probably only about 30 houses within it, so it was impacted quite severely by an isolated storm cell," he said.

"The Great Southern management are sending a representative up into that area today to assess on damage and assist the local shire."

Ravensthorpe recorded 39mm of rain overnight, with 22mm falling in just 10 minutes.

At Lake Grace winds reached 87km/hr.

Weather Bureau senior forecaster Matt Boterhoven said moisture from ex-tropical cyclone Narelle was acting as fuel for severe thunderstorms.

"The moisture from Narelle is also causing humid conditions around the metropolitan area, which is making things very uncomfortable for people," he said.

There is a strong wind warning for today for the Esperance Coast.

The forecast for today is partly cloudy with a shower or two and the chance of a thunderstorm until this evening.

Winds north-west to northeasterly 25 to 40 km/h tending west to north-westerly 25 to 35 km/h in the middle of the day then turning south to south-westerly 15 to 25 km/h in the evening.

Esperance is expecting a maximum of 37C with a very high fire danger.

The West Australian

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