South America GFS Snow Forecast +48 hour Chart

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About GFS

Global Forecast System. The operational numerical weather forecasting model run by NCEP. The GFS superceded the AVN and MRF models, on which it is largely based. Forecast data from the GFS is available out to 180 hours at full resolution and 16 days at a reduced resolution.

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Weather News

California fires visible from space

16:53 EST

Satellite images have captured massive fires erupting over northern California.

Olympic marathon during Sapporo's longest heatwave in 97 years

14:54 EST

When officials decided to move the Olympic race walking and marathon events to Sapporo, they didn't expect the races to coincide with the city's longest heatwave in close to a century.

Get a sneak peak into the new Weatherzone Beta website experience while we continue to build out its full functionality.
Explore new datasets, map layers, 7-day charts, 12-month trends and much more!