A few storms rumbled across the North West too, bringing with them cracking thunder and bright lightning.

According to the Bureau of Meteorology (BoM), Tamworth Airport received 19mm on Friday and 18.8mm on Sunday, and East Tamworth saw a total of about 48mm over these two days.

It's a huge difference from last month, where only 3mm fell in the airport's gauge.

The decent falls added 5.4mm onto the head of the Peel River at Nundle on Friday, and 21.6mm on Sunday.

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Meanwhile, Gunnedah Airport received 12.6mm on Friday and 8.6mm on Sunday.

Narrabri Airport's rain gauge captured 39.4mm on Friday and 6.2mm on Sunday.

Unfortunately though, there isn't expected to be much more rainfall for the rest of the week, BoM meteorologist Helen Reid says.

Ms Reid told ACM there may be some shower activity and possible thunderstorms in the Gunnedah region on Friday, but not in Tamworth.

This could bring about 5-10mm of rain, and isn't expected to be severe, she says.

"Saturday, there'll probably about another 4-5mm through the [Tamworth and Gunnedah] region," Ms Reid said.

"Sunday there might be 2-3mm and Monday 2-3mm."

Temperatures won't be as hot, either, this week.

Tamworth Regional Weather's Dave Farrenden said temperatures would be about "4-8° below average for most of the week".

"This will be quite nice after one of the hottest starts to December on record," he said.

"The tropics is becoming very active and moisture may drift south over the following week, we are watching this closely."

Chaffey Dam sits at 33 per cent as of Monday afternoon, and Keepit Dam at 26 per cent.