Metservice has issued a severe thunderstorm watch over Nelson and Marlborough.
“Scattered thunderstorms are expected over Nelson and Marlborough this afternoon and evening. These thunderstorms will be accompanied by localised heavy rain and hail.”
Most of the hail should be between 10-20mm, however, it is possible a few of the thunderstorms may be severe producing damaging hailstones larger than 20mm.
The watch is valid until 9pm tonight when the weather is expected to ease.
In the meantime, people should be on the lookout for threatening weather and drive to the conditions.