KY3 Weather
Weather · Gray Media
KY3 Weather screenshots
If you live somewhere that gets its share of storms and you want to see what is coming rather than just read a number, KY3 Weather is the sort of app that earns a place on your home screen. It is a free Android weather app from Gray Media, and it leans toward maps, radar and alerts rather than a plain daily temperature.
The app has been on Google Play since September 2011, and it currently sits at a 4.6 average from more than 12,500 ratings, with over 500,000 installs. That history tells you something about the kind of app it is: a long-running local weather tool rather than a new experiment.
What you get is a layered picture of the weather around you. There is an interactive map you can pan and zoom, radar and satellite imagery to overlay on it, a forecast that runs out to ten days, and an alert system that can reach you through sound, light and vibration. The developer also throws in a couple of widgets so conditions are visible without opening anything.
Who tends to get the most out of it
The clearest fit is someone who tracks weather actively: a person who wants to know where a line of storms is, how it is moving and whether a warning covers their street. The map tools and the alert options are built for that habit, and the ability to save several locations makes it useful for keeping an eye on family in another town as well as your own.
It also suits people who like their information dense. Daily and hourly detail for a ten day stretch, satellite cloud imagery and a road-focused index all point to an app for readers who would rather have more layers than fewer. If your weather needs stop at whether to carry an umbrella tomorrow, there is more here than you will use.
The Spanish language support is worth a mention for households that run their device in Spanish, since the app follows the phone's overall language setting rather than asking you to pick one inside the app.
Maps, radar and the layers on top
The centerpiece is the interactive map, which the developer says is tuned for 3G and WiFi performance, so it should stay usable on a slower connection rather than only on fast Wi-Fi. You can view it vertically or horizontally, and the looping playback lets you watch a radar sequence rather than a single frozen frame.
On top of that base map sit several data layers. NOWrad provides the radar imagery, there is high-resolution satellite cloud cover, and a water temperature layer for anyone watching lakes or the coast. Storm tracks and tropical tracks can be plotted, and earthquakes appear on the map as well, which is an unusual addition for a weather app and one that suits regions where the two concerns overlap.
A compass overlay and GPS awareness keep the map oriented around where you actually are, and the Road Weather Index, which the developer describes as patent pending, adds a color-coded read on conditions as they relate to driving. Alerts can also be drawn directly on the map as watch and warning boxes, with a switch in settings to turn that overlay off if you prefer a cleaner view.
Forecasts, alerts and the widgets
Forecast coverage runs to ten days with both daily and hourly detail, and the developer bills it as the most accurate ten day forecast around, a claim I would treat as marketing rather than a measured fact. What matters more practically is the structure: enough hourly resolution to plan a morning, and enough days out to see a trend.
The alert system is where the app puts real effort. Alerts are color coded by severity, and you can choose to receive everything or only the critical ones, which keeps the noise down if you do not want every advisory. Notifications can arrive as audio, an LED light or vibration, and you can acknowledge an alert from the status bar or from inside the app so it stops nagging.
Locations are easy to manage. You can save favorites, and location aliasing lets you rename a place to something meaningful, so a saved point can read as a family member's address rather than a set of coordinates. There are widgets too: one for the unlock page, a smaller one, and configuration that lets a widget show either the daily or the hourly view.
What the free version asks of you
KY3 Weather costs nothing to download and there are no in-app purchases to consider, so nothing inside the app is gated behind a payment. The trade-off is advertising: the app contains ads.
For most people that is an acceptable exchange for radar, satellite imagery and an alert system without a subscription. If you are set against seeing ads in a weather app, this is the one cost you cannot avoid here, and it is worth deciding up front whether that bothers you.
How it compares with the alternatives
There are broadly two other routes. One is a general-purpose weather app from a large platform or search company, which usually gives you a clean forecast and a simple radar view with little configuration. The other is a dedicated storm-tracking or radar service, which typically goes deeper into analysis tools than a general app does.
KY3 Weather sits between them. It offers more map layers and more alert control than a plain forecast app, including things like earthquake plotting and track overlays, without turning into a specialist workstation. It also adds conveniences a specialist tool may skip, such as widgets and the ability to rename saved locations.
If your interest is mainly a quick daily temperature, a simpler app will do the job with less on screen. If you want to follow storms closely and control how you are alerted, this one is aimed at you.
A dependable pick for storm watchers
KY3 Weather is a well-established, free Android app that puts radar, satellite imagery, layered map data and a configurable alert system in one place, with widgets to keep conditions visible.
The caveats are straightforward. It is ad-supported, so you trade attention for access, and the depth of the map tools means it rewards someone who will actually use them. The ten day accuracy claim comes from the developer, not from anything I can verify.
My recommendation is for people who watch the sky rather than glance at it: anyone tracking storms, managing alerts for several locations, or wanting radar and forecasts in a single app. If that describes how you check the weather, this is worth installing.
The short verdict
A free, ad-supported weather app with strong radar, layered maps and flexible alerts, best for people who track storms closely.
App specs
- Version6.2.702
- UpdatedSeptember 22, 2026
- Downloads500K+
- RequiresAndroid 9+
- PriceFree
- Age ratingEveryone
KY3 Weather: frequently asked questions
What does KY3 Weather cost?
The app is free to download and there are no in-app purchases, so you are not paying for any feature inside it. It contains advertising, which is the trade-off for getting the radar and alert tools at no cost.
What can I see on the map?
The map shows radar imagery through NOWrad along with high-resolution satellite cloud cover, and you can view it vertically or horizontally with looping playback. Storm tracks, tropical tracks and earthquakes can be plotted on it as well, and watch and warning boxes can appear over the map.
Can I control which weather alerts I receive?
Yes. Alerts are color coded by severity and you can set the app to send either all alerts or only the critical ones. Notifications can use audio, an LED light or vibration, and you can acknowledge an alert from the status bar or from inside the app.
Does the app support Spanish?
It does, with the language following your device's overall setting rather than an in-app choice. If your phone is set to Spanish, the app's text should appear in Spanish as well.
Are there widgets for the home screen?
There are two: one for the unlock page and a smaller widget. Both can be configured to show either the daily or the hourly view, so you can decide how much detail sits on your screen.
Pros
- Interactive map with looping radar playback
- Alerts color coded by severity
- Choose all alerts or only critical ones
- Ten day forecasts with hourly detail
- Save and rename favorite locations
Cons
- Contains ads
- Map layers suit committed weather watchers
- Ten day accuracy claim comes from developer
Download KY3 Weather
by Gray Media
Free · Contains ads · Official store listings