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Rain radar for most of the world with a past-and-future loop, which answers the question of whether to leave now in about four seconds.
Opens in a new tab. We do not control this site and it may have changed since we catalogued it.
RainViewer sits in Weather Watching under Wander, and we have it filed as instant — good within five seconds of loading. It reads as useful.
Wind maps, radar loops, satellite imagery and forecast models that look extraordinary regardless of whether you need to know about rain.
The volunteer lightning detection network behind most live strike maps, with raw data and instructions for building your own receiver.
Full-disc satellite imagery of the Americas straight from the GOES satellites, refreshed every few minutes at absurd resolution.
Multi-model forecasts with a meteogram showing how confident the models actually are, which most weather apps quietly decline to admit.
The official Atlantic and Pacific hurricane advisories, cones of uncertainty and discussion notes written in plain prose by duty forecasters.
The thirty-minute aurora forecast as an oval of probability drawn over the poles, which is the only honest way to plan a night out for it.
The US National Weather Service radar, unstyled and authoritative, with warning polygons drawn straight over the raw returns.
Weather model charts for anywhere in the world, fast and free, of the sort forecasters look at rather than the tidied-up app version.
Raw model output laid out for people who want to read the charts themselves, and the page hurricane watchers keep open all August.