[1] The word yr means drizzle in Norwegian.

[2] Yr.no generates weather forecasts for millions of places around the world.

Its 3-day forecast uses two different weather models with a 2.5 km resolution in Scandinavia and the Norwegian islands, and for other places, the ECMWF's IFS model in high-resolution configuration (HRES), with a 9 km resolution.

[3] For the 10-day forecast, yr.no employs the ECMWF-ENS model with an 18 km resolution for Norwegian territories, and for the rest of the world, IFS-HRES with a 9 km resolution.

[4] In addition to data from the Norwegian Meteorological Institute, yr.no uses open data from various collaborators such as It also collects information from different types of private weather stations.