Dry heat wave gives way to sultry and sticky weather: why is this and how long will it last? | Science & Planet

Yesterday it was puffing and sweating in many places. The dry heat wave gave way to sultry and sticky weather. Rain showers brought some temporary refreshment here and there, but the heat still felt less pleasant than the past few days. Where is this hot sticky weather suddenly coming from? Why is it unpleasant? And what about the next few days? Weather and climate expert Samuel Helsen provides explanations.