Motorists are urged to take care due to icy roads and damage from the severe storm.
The Central Otago District Council said on Sunday that roads in Manuherikia and Maniototo have significant damage and not to drive unless urgent.
Further road and asset assessments would be carried out on Sunday.
River levels were receding and weather forecasts show the rain was clearing, but there were widespread road closures in the Maniototo and Ida Valley, and damage to roads, the Otago Regional Council said.
Residents in Omakau, Patearoa or Ophir need to boil water. Ranfurly and Naseby residents were asked to conserve water.
Central Otago District Council roading manager Murray Hasler said on Saturday in there was flooding throughout the Maniototo.
The Naseby area and Ida Valley were "badly affected''. In Naseby the issue was compounded with about 15cm of new snow overnight.
Emergency Management Otago said the Manuherikia River at Ophir last night had its fourth highest level on record.
One property was evacuated from Oturehua.
Ranfurly resident Amie Pont said creeks running through the town had flooded, and there was significant damage to its rugby ground.
There was minimal flooding on the town's roads. "There were a few groups of people stranded here last night, trying to get to Alexandra".
Areas nearby Ranfurly, such as Kyeburn and Oturehua, were severely affected by flooding, she said.
There was minor surface flooding in the Teviot Valley. Debris could be seen floating in the streets of Roxburgh.
Road closures on Sunday morning:
Cromwell/Alexandra
Ice likely in shaded areas and bridge decks
Roxburgh
Ice likely in shaded areas and bridge decks
Craig Flat Road (track section) is closed from Beaumont Station Rd Intersection to Beaumont due to a slip.
Manuherikia & Maniototo
If your travel is not urgent please stay at home. Roads have significant damage Further road and asset assessments will be made on Sunday.
CLOSURES
Auripo Rd, CLOSED
Reef Road, CLOSED
Patearoa Road, CLOSED from Patearoa Waipiata
Naseby Link Road – CLOSED
Gimmerburrn – Naseby Road, CLOSED (Fennessy to Naseby Link)
Ida Valley Oturehua Road, CLOSED
Kokonga Rd, CLOSED
Danseys Pass Road is CLOSED from Ridge Road
Killarney Street, NASEBY, CLOSED
Scotts Lane, CLOSED at the Bridge
Kye burn River Road, CLOSED at bridge
Mundell Road, CLOSED from Preston Rd
St Bathans Downs Road, CLOSED at the bridge
Hills Creek Road, CLOSED at the Oturehua Bridge
Warnings
Naseby, 4WD restricted use only.
St Bathans Loop Road, RESTRICTED to 4WD
Hore Road and Swinburn Road RESTRICTED to 4WD – grader has gained access to properties here.
