The Eastern Cape Transport Department is advising motorists to approach mountain passes with extra caution as snowfalls continue to cause disruption on some routes.
Spokesperson, Unathi Binqose, said they've received reports of several vehicles skidding on the slippery roads, with a bus suffering the same situation in the Lootsberg Pass on the N9 between Graaff Reinet and Middelburg.
He says emergency personnel are on the scene attending to this incident.
Binqose said the Wapadsberg Pass on the R61 is closed until further notice while motorists are urged to drive with caution on all other passes.
More welcome rain fell over large parts of the Eastern Cape over the weekend, including Nelson Mandela Bay's main catchment area in the Langkloof.
A spokesperson for the SA Weather Service in Gqeberha, Garth Sampson says rainfall over the Nelson Mandela Bay Metro varied between 35 mm at the Airport to 98 mm at Woodridge.
Sampson says in the Langkloof between 30-50mm were recorded.
The weather is expected to clear later on Monday with no more rain expected.
Sampson says the coldest maximum temperatures recorded over the weekend was on Buffelsfontein farm near Molteno where the max was 4.3 degrees Celsius on Sunday with the minimum was - 3.1 degrees.
Several weather warnings and advisories remain in place for Monday while widespread frost is expected on Tuesday morning.