current weather data

NOAA (NCEP – NOAA Centers for Environmental Prediction) – analyzed surface weather maps

This site features an array of surface weather maps for the U.S., North America and the globe. If you click on the Unified Surface Analysis (hyperlink near top of page), you’ll get a global view of surface highs, lows, and fronts. Click on the map and you’ll zoom into that area and see plotted surface weather reports.
NOAA / National Center for Environmental Prediction