NWP Model Data: UConn High Resolution WRF, SPC HREF, College of DuPage, Tropical Tidbits, Pivotal Weather, NWS DESI Ensemble Tool (Experiemental)
Surface, Radar, and Upper Air Observations: WPC Surface Maps, MRMS Operational Viewer, New York State Mesonet, SPC Soundings, UWyoming Sounding Archive
Official NWS Forecast Pages: NWS National Forecast, Weather Prediction Center, Storm Prediction Center, National Hurricane Center
Local NWS Office Pages: Albany Forecast Office, Chicago Forecast Office, Boston Forecast Office, New York City Office
*** Note, I am not affiliated with any websites listed here except the UConn High Resolution WRF***