The weather service HungaroMet has issued the highest-level red heat alert for fifteen counties in effect until Saturday midnight, with median daily temperature forecast above 29°C. The red alert has been issued for Baranya, Bács-Kiskun, Békés, Borsod-Abaúj-Zemplén, Csongrád-Csanád, Fejér, Hajdú-Bihar, Heves, Jász-Nagykun-Szolnok, Komárom-Esztergom, Pest, Somogy, Szabolcs-Szatmár-Bereg, Tolna and Veszprém counties. A second-degree heat alert has been issued for an additional four counties. The median temperature is forecast to stay above 27°C in Győr-Moson-Sopron, Nógrád, Vas and Zala counties. HungaroMet has forecast sunshine accompanied by scattered showers and thunderstorms over the weekend, with temperatures hitting up to 41°C.