IT took just six hours for torrential rain to turn Emu Park's central business district into a grid of gushing streams.

Floodwater swamped several shops in the small seaside town. Those shops included Drakes IGA, Degani the Emu Park newsagency, a pizza shop and the real estate agency.

Cars parked diagonally in Hill St were in 20cm-deep floodwater and there were even reports of water spilling into shops through power sockets.

Despite the deluge, Drakes IGA opened its doors for customers who braved the conditions.

Inside the store, there were mops, buckets and water everywhere.

Staff members spent a good portion of the day mopping up the store after floodwater seeped through the walls.

Emu Park SES group leader Jessica Sleeman said crews responded to eight call-outs from residents who needed sandbags to protect their properties. 

She said although flash flooding crept up on the small community in such a short amount of time, it was nothing new for SES crews.

"This is the wet season so we are used to this... the fact that the water levels were so high alarmed several residents," she said.

Ms Sleeman said floodwater at Emu Park got up to about 226mm in some places.

Livingstone Shire Council deputy mayor Graham Scott on Saturday said parts of Emu Park received more than 100mm of rain early Saturday morning.

Cr Scott said his neighbour's backyard was almost like a pool following the deluge across central Queensland, Rockhampton and the Capricorn Coast.

The neighbour subsequently brought in a device to pump floodwater out of his backyard.

Several Morning Bulletin Facebook photos sent through pictures of flooding around their properties.

But the very wet weekend hardly deterred jolly festival-goers from attending the Carols on the Beach event in Yeppoon.

In the 24 hours up to 9am yesterday, Yeppoon received 60mm of rain.

Rockhampton got up to 26mm of rain, according to the BOM website.

The heavy rain also caused problems on the Bruce Hwy at Marlborough after floodwater blocked traffic on Saturday.

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