Clear Sky Clock homepage
Weather predictions specifically for astronomers for hundreds of observatories, observing sites and clubs in the USA and Canada.
Climate Diagnostics Center
The mission of CDC is to identify the nature and causes of climate variations on time scales ranging from a month to centuries.
Climate Prediction Center
The National Weather Service agency that maintains a continuous watch on short term climate fluctuations and diagnoses and predicts them.
Daily 30-day Long Range Weather Forecasts
free long range weataher forecasts to help you plan your weather sensitive activities and events.
Experimental Medium-Range Weather Forecasts
Forecasts of anomalous 250 and 750 mb streamfunction out as far as six weeks ahead, using the statistical technique linear inverse modeling.
High Plains Climate Center
University of Nebraska offering reports and data on regional climate research.
Storm Prediction Center
Official government site for the prediction of thunderstorms and severe weather in the U.S.
Tropical Prediction Center
National Hurricane Center site providing detailed location and forecasting of tropical storms and hurricanes