NOAA Aviation Digital Data Service (ADDS)
Text METARs/TAFs:

Stations
METARs Raw Translated most recent only past 1 hours past 2 hours past 3 hours past 4 hours past 5 hours past 6 hours past 12 hours past 18 hours past 24 hours past 36 hours
TAFs

Links: AIRMETs Taxiway Diagram Search Weather Stations (700 KB)
Login: AccuWeather DUATm