High Evening Thunderstorm Risk Forecast for Schleswig‑Holstein and Hamburg

A weather outlook for the German states of Schleswig‑Holstein and the city of Hamburg predicts mixed cloud cover today with isolated showers possible, while temperatures will reach up to 22 °C on the islands and up to 26 °C in Hamburg. Winds are expected to be light to moderate from the west‑northwest.

For this evening, the Instability Index has risen to the maximum level of 10, indicating a high probability of thunderstorms. The most vulnerable area is the southern part of the state around Hamburg and Lübeck, with gusts up to 51 km/h and moderate to significant hail potential. The risk is expected to diminish overnight, with the index dropping to 5 on Thursday and further decreasing over the weekend.