Rain layer

Real-time precipitation radar over your map. See actual storms as they form and move — not a forecast, the rain that's falling right now.

What you see

Radar tiles. Where it's raining: blue (light), green (moderate), orange (heavy), red (extreme). Empty / dark = dry.
Live updates. New radar frame every ~10 minutes. Refresh the page or toggle the layer off and on to pull the latest.
Global coverage. Every continent. Resolution varies by region (densest in Europe / North America); polar areas have almost no coverage because there are few weather radar stations.

Where the data comes from

RainViewer — a free, commercial-OK real-time radar mosaic. We use their public API; no key needed, no rate limits at our scale.

When it's useful

"Is the rain that's about to hit me a five-minute shower or a proper front?" → look at how wide the band is + which direction it's moving.
Watching whether a friend's hike is about to get wet.
Seeing the radar signature of a tropical system you're tracking on the news, in real time, on your own map.

Limitations

Radar isn't forecasting. The current frame is what's falling NOW; it gives you 30–60 minutes of useful prediction by extrapolation.
Coverage gaps. Some remote regions show as "dry" purely because no radar can see them. Cross-reference with the satellite cloud cover in those cases.
Snow vs rain. The radar can't tell the difference at the source — if temperature in the area is below freezing, what shows as precipitation will be snow.

Toggling on

Live map → top-right weather toggle → Rain. Mutually exclusive with Wind, Temperature and Pressure.

Wind — wind direction tells you where the storms are heading.
Temperature — sub-zero + radar = snow.
Pressure — most rain forms inside lows.

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