05/01/2026
The national weather service, KNMI, has issued a Code Orange alert for South Holland, which includes Wassenaar, until 12PM on Monday, January 5th, due to slippery and icy conditions. According to the KNMI website, this means there is a high probability of the weather being hazardous, with major impacts expected.
Residents should expect road delays with an increased possibility of cancellations on public transport. People should also exercise extreme caution when outdoors due to the risk of injury from slips and falls.
When the Code Orange alert expires, a Code Yellow alert will be in place until Wednesday, January 7th at 7AM. This means slippery conditions may continue, but there is less of an impact expected.