Short range forecasts:

AustroControl - 12 hour forecast for wind speed, direction and temperature
                     (Username: flug, Password: wetter)

SKIRON - 72 hour full meteorological forecast

Italy - 72 hour full meteorological forecast

Long range forecasts:

IGES - 144 hour full meteorological forecast

Unisys - 10 day full meteorological forecast

NOAA - 12 day forecast (use METEOGRAM, WINDGRAM and SOUNDING; AVN and MRF models)