Germany actually has discrete-cloud (modeling radar-detected convective cells as polygons) forecasts covering the next few hours, combined with some further nowcasting aspects into SYMFONY for localized flash flood warnings (+2h precipitation predictions updated every 5 minutes): https://www.dwd.de/EN/research/researchprogramme/sinfony_iaf...
There's the ICON-D2 prediction system with native 2.2km grid, run every 3 hours, with reach of +27h (the 3am UTC run reaches +48h). Also available as an ensemble of 20 possibly futures: https://www.dwd.de/EN/ourservices/nwp_forecast_data/nwp_fore... (open data; feel free to check it out)
There's the ICON-D2 prediction system with native 2.2km grid, run every 3 hours, with reach of +27h (the 3am UTC run reaches +48h). Also available as an ensemble of 20 possibly futures: https://www.dwd.de/EN/ourservices/nwp_forecast_data/nwp_fore... (open data; feel free to check it out)