If you are writing a school report or lesson plan or El Niño school project...

• What is El Niño? and What is La Niña?
• Frequently Asked Questions about El Niño & La Niña &  Educational websites
• Less Frequently Asked Questions about El Niño (includes school projects on El Niño)
• Instructional modules (self-instruction and lesson plans)
• How does El Niño affect the US, the world, the economy, society... ?
• What's happening now?
• Are there any realtime measurements of El Niño?
• How does this El Niño (La Niña) differ from previous ones?

If you want forecasts for the United States...

• US and Global climate forecasts
• Weather forecasts
• El Niño forecasts

Other questions:

• What is the National Oceanic and Atmospheric Administration (NOAA) doing about El Niño?
  NOAA has primary responsibilities for El Niño forecasts, observations and research
  Links to other El Niño Web sites  from Climate.gov
• About forecasts & impacts on the US
  Outlooks from the Climate Prediction Center
  Contact information
• About international impacts
  International Research Institute for Climate and Society
  Contact information
• About impacts on the US
  ENSO Impacts on the US from the Climate Prediction Center
  Contact information

Image:

This image showing a view from the International Space Station of a storm passing over the United States was made available by NASA via Twitter (posted on Saturday, Jan. 23, 2016) by space station commander Scott Kelly.   See NPR's All Things Considered discussion of whether El Niño could have played a role.