VAAL TRIANGLE - Severe thunderstorms with a possibility of hail, heavy downpours and strong winds were forecast for parts of Gauteng and five other provinces this afternoon. The South African Weather Service issued a warning for foul weather that could include lightning. According to the weather service, the thunderstorms predicted for anytime between 14:00 and 21:00 could be accompanied by heavy rain, damaging winds and hail. Motorists are advised to drive with caution and keep a safe following distance in the stormy weather as their visibility could be compromised. Emergency OS numbers to contact include 112, which is free from any device, 10111 and 10177.