Local Conditions & Forecast
Moisture, Wind, Barometer
Weather.com - Enter your zip code in the top left-hand column.
NOAA #1 - Click on the weather you want a report from.
NOAA #2 - National Weather Service (Click on your State.
Use buttons  on right to get Forecast Discussion, Hourly Wind Readings, Weather Summary
(Similar to info on weather radio) and More.
Intellicast - Click to your area or enter your zip

Stability
Soaring Weather Forecast - Winds and stability graph. The most useful tool.
Winds and Temperatures Aloft Forecasting Tables - NOAA

Jet Stream & Winds
Jet Stream, United States - Intellicast.com
Jet Stream (Detailed) & Overall Wind - SFSU
Jet Stream Forecast plus other aviation weather maps - The Weather Channel
Winds and Temperatures Aloft Tables w/ 6, 12 & 24 Hr. Predictions - NOAA
Windcast graphic of predicted surface winds - Intellicast.com
Current winds plus more aviation maps - The Weather Channel

Overall View of Air Systems and Moisture - Satellite Images
Choice of Pacific & Atlantic Oceans - SFSU
Pacific / Western USA - Intellicast.com
USA - Intellicast.com
Atlantic/ Eastern USA - Intellicast.com
World - Intellicast.com
SW Infrared Satellite (S. Calif./ Nevada/ Utah/ Arizona/ Texas) - The Weather Channel
NW Infrared Satellite (Washington/ Oregon/ Idaho/ Montana/ Wyoming) - The Weather Channel
East Pacific and West Coast Satellite View - Naval Research Lab, Monterey, CA