Overview

• Monday and Tuesday stay mostly sunny and dry nationwide, with highs widely in the mid‑20s and locally around 30–32°C in central and southern regions.
• Coastal areas remain cooler and breezier, with around 19–23°C and patches of morning fog or mist reported by the DWD.
• From Wednesday, a developing low brings showers and thunderstorms focused on Saarland, Rheinland‑Pfalz, Hessen, Baden‑Württemberg and Bavaria.
• Forecast models indicate localized extreme rainfall in the south, with 100–200 liters per square meter possible and a high risk of flash floods.
• By Friday, polar air drives a marked cooldown to roughly 17–22°C nationwide and strengthens winds, with the strongest gusts likely along the North Sea and Baltic coasts.