Bureau of Meteorology said rain is on its way for Grenfell

Grenfell has broken its long held hottest day on record for both January and ever on January 4 when the mercury hit 44 degrees Celsius according to the Bureau of Meteorology.

The previous January record according to the Bureau of Meteorology was 42 degrees Celsius on January 3, 1973 and the previous hottest day on record was 42.5 degrees Celsius on February 15, 2004.

According to the data from the Bureau the temperature on Saturday January 4 sat at 36 degrees celsius at 9am.

The Bureau of Meteorology believes Weddin and the rest of the Central West and South West Slopes region is expected to receive between 5 and 10mm of rain over the next week.

The seven day outlook on the Bureau's website shows Weddin is expected to receive the rainfall between Saturday January 18 and Friday January 24.

The Bureau predicted possible thunderstorms and showers over Thursday, Friday, Sunday and Monday with Saturday expected to be partly cloudy.

The Weddin Mountains have been covered in a haze of dust and smoke recently but BoM said rain is coming. Photo: Rebecca Hewson.

The Weddin Mountains have been covered in a haze of dust and smoke recently but BoM said rain is coming. Photo: Rebecca Hewson.

The rainfall outlook from the Bureau of Meteorology on Thursday.

The rainfall outlook from the Bureau of Meteorology on Thursday.