Weather & Hazards

AccuWeather

Global weather forecasting service with radar maps, plus a weather API for forecasts, current conditions, severe weather alerts, minute-by-minute precipitation, lightning, and tropical cyclone data.

ClimWeb

WMO-supported open-source CMS that runs the websites of national meteorological and hydrological services across Africa, used in 42 countries.

Windy.com

Global weather service with high-resolution forecast layers and radar imagery, plus embeddable weather maps and APIs for point forecasts, map forecasts, and webcams.

YR.no Weather Maps

Weather portal from the Norwegian Meteorological Institute with interactive weather layers, radar, and forecast maps for the whole world, plus embeddable forecast widgets and MET Norway weather APIs.

Nonprofit app with real-time wildfire alerts, whose wildfire and flood data is also available for your own dashboards and GIS tools.

GroundwaterCast UK

Open-source map of every monitored borehole in England, with today's groundwater level against its seasonal normal, a daily 14-day probabilistic forecast, a six-month outlook, and low-flow outlooks for chalk streams.

kanari

Free near-real-time world map of wildfire ignitions that clusters NASA FIRMS, GOES, and Meteosat satellite hotspots into fire events, with AI-verified witness reports, live firefighting aircraft, and a public JSON API.

Mercator.blue

Tile API that serves gridded earth data (wind, ocean currents, air quality, temperature, elevation) as value-encoded tile pyramids, with weather and ocean layers refreshed every 6 hours.

SRF Weather

Weather app from the Swiss public broadcaster SRF, providing weather information for Switzerland on iOS, Android, and the web, plus a REST API for hourly or daily forecasts.

Navigation app that integrates weather conditions into route planning, making its navigation weather-aware.

Open-source, cross-platform weather app for iOS, Android, macOS, Linux, and Windows showing weather radar data and forecasts from ARSO and DWD on interactive maps.