
Radar CZ
Rain radar for Czechia
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Free
Rating summary
About
Radar CZ draws the Czech weather radar over a map, so you can see where it is raining right now and where the rain is heading.
It is a great help for anyone who spends time outdoors: on a hike, on a trip, on a motorbike, out training, or filming on location. Check the sky before you set off, and again on the way.
Drag the timeline back and forth. A big clock at the top shows the time of each image, so you can see how fast the rain is coming and when it will reach you.
What it does
• A timeline with play and pause. Step through the last 30 minutes to 3 hours, one image every five minutes.
• Home Screen and Lock Screen widgets that show the radar around a place you pick.
• A surface rain mode that hides echoes unlikely to reach the ground.
• A button that shows your location on the map, and a colour legend from drizzle to storm.
• Standard, satellite and hybrid maps.
• Settings for overlay opacity, history length, playback speed and map style.
Good to know
• The radar covers the Czech Republic and a strip of the neighbouring countries.
• A new image arrives every five minutes, a few minutes after the scan.
• The app shows measured rain. It does not forecast.
• Your location stays on your phone. The app has no account, no ads and no tracking.
Radar data: Czech Hydrometeorological Institute (ČHMÚ), opendata.chmi.cz, CC BY 4.0, images modified. Radar CZ is not an official ČHMÚ app.
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What's New in Radar CZ
1.0
November 6, 2026




