On Wednesday, 14. July 2021 a possible peak of Summer 2021 in Poland should bring maximum temperatures up to +37/+38°C (on GFS outputs +36°C for central Poland).
Poland therefore should see the highest temperature of the year, after +36,1°C in Slubice, June 2021 /https://mkweather.com/361c-in-slubice-poland-germany-369c-and-5-days-above-35c//.
Severe storms in Poland interrupted at the weekend and early this week 2 peaks of heatwaves (last Thursday and Wednesday this week were / will be the hottest).
The dramatic situation was between Saturday and Monday, 10.-12. July 2021 mainly in Southern Poland - Nowy Sadz reported 62,5 mm of precipitation and floods.
Kamienica River and Dunajec weren´t catching up drain water and flooded neighboring homes and fields /videos below/.
Severe storms are forecasted for Poland in the next period, too /fresh forecast for Europe you will find here: https://mkweather.com/storm-forecast-for-europe-until-the-end-of-july-2021-continental-europe-under-a-storm-attack//.
In the next 7 days, storms are forecasted to hit mainly central, southern, and northeastern Poland, while until the end of July 2021 they should hit all country excluding northwestern parts.
Regional flash floods are therefore still very probable, not only in Poland but across all continental Europe and later even in Balkan or Italy, while British Islands and Scandinavia will be untraditionally dry.