WeatherAlarm warns you in time about storms, hail and heavy rain — with storm path forecasts, community reports within 20 km and real-time radar. For all of Slovenia. Free.
📖 My story →From the first drops to hail — the app monitors radar every 5 minutes and alerts you when something is heading your way.
Push notification when a storm or hail is approaching your location — with estimated arrival time and distance to precipitation.
Animated forecast of where the cell is moving in the next minutes, calculated from radar images.
Users report hail, lightning or heavy rain live — everyone within 20 km gets an alert.
Animated radar with real precipitation, updated every 5 minutes, with history from recent days.
Forecast the weather, collect points and climb the leaderboard of top forecasters.
Share your storm photos and rate the best community shots.
A 10-day forecast for your location, the meteorologist's text forecast with the time it was issued, and official warnings.
Lightning strikes on the map, live and next to the radar, so you can see where the storm is really charged.
Earthquakes from INGV and satellite heat spots from NASA FIRMS. When something happens near you, a card appears on the home screen.
Animated wind flow at ground level and at 1500 and 3000 metres, up to 48 hours ahead. Tapping the map opens a vertical profile: how the wind veers with height and where a balloon would end up.
Once a user earns Weather Master status through reports, their confirmation from the ground edits the raw radar pixels before they reach the cell detection algorithm. If a master confirms hail where the radar sees none, the algorithm sees it too and the alerts follow. The radar image you see on the map stays untouched.
WeatherAlarm did not appear last year. The first sketches date from 2010 and the first Android version was released in February 2012. Since then a simple idea, working out from radar images where the rain is heading, has grown into a system with its own algorithms, path forecasting and reports from users.
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Real storm and sky photos from Slovenia, shared by WeatherAlarm users. Upload yours in the app.
A question about the app or a custom mobile app inquiry? Write to us.
Aleš Fleischmann s.p.