UW
Department of Atmospheric Sciences
NCAR Real-time weather dataTropopause maps and isentropic potential vorticity maps. Virtual map room Local weather data, forecasts, and discussions. Seattle, and WA surface maps. Satellite and Northwest radar data. Regional real-time model forecasts. Climate summaries for SEA. Current Weather Analysis interface. Loops of graphical plots.  (WA surface map, IR & 500 hPa)
Weather Online
- Satellite imagery, including high-resolution regional images for the US.
- Radar imagery, including regional composites and links for all US NEXRAD sites.
- Plots of surface observations, and analyses of surface variables; regional maps.
- Upper-level plots including station soundings, constant pressure charts, and profilers.
- Plots of model analyses and forecasts, including the RUC, ETA, and AVN/MRF.
- GFS and MPAS forecast plots and diagnostics
Climate Diagnostics Center's Maproom
- Current weather
- Climate data
- Interface operational model plots (GFS, ECMWF, CMC, UKMO, JMA, and others)
U.S. National Centers for Environmental Prediction
- Current weather plots, including hemispheric analyses.
- Short term model forecast plots for the ETA and AVN.
- Ensemble forecast plots (500 hPa mean anomalies).
- Experimental two-week and medium range forecast products.
National Weather Service
- Storm Prediction Center.   (Severe weather forecasts and warnings)
- Hydrometeorological Prediction Center.   (Precipitation forecasts)
- Tropical Prediction Center.   (Tropical storm monitoring and forecasting)
- Climate Prediction Center.   (Climate monitoring and weekly to seasonal forecasts)
- Aviation Weather Center.  (Information for pilots)
- Space Environment Center.  (Space weather monitoring)
- Ocean Prediction Center.   (Marine analyses, forecasts, and warnings)
- Enviromental Modeling Center.  (Information about operational models)
COLA/IGES Current Analyses and Observations
- Seattle MOS (extended)
- water.weather.gov: Precipitation
- Seattle office
- Standard NWS facsimile charts.
- Current weather conditions and forecasts for US.
- Observations for most surface stations in the world.
- Radar imagery.
- Current weather analyses and forecasts.
- Medium range forecasts.
- Links to satellite pages.
- Daily images report.
University of Wyoming Weather Web