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National Weather Service (NWS) Advanced Hydrologic Prediction Service (AHPS) provides current and archived precipitation analysis at different timescales.

The Advanced Hydrologic Prediction Service (AHPS) provides flood and drought related forecasts for the United States based on streamgage data.

The AirNow Fire and Smoke Map is an interactive map displaying information on ground-level air quality monitors recording fine particulates (PM2.5) from smoke and other sources, as well as informat

AirNow is a one-stop source for air quality data, including current and forecast air quality maps and data for more than 500 cities across the U.S., as well as Canada and Mexico.