Maps & Data

Climate outlook maps describe the chances that conditions will be below-normal, near-normal, or above-normal for the future outlook period indicated.

A color-coded map indicating current river levels or flood stages for more than 6,500 streamgages in U.S. states and territories.

Case studies and examples of how citizens use climate data.

Simple graphs of Climate Normal data for temperature and precipitation are one way to show a location's climate throughout the year, month, or day.

This page describes some of the 50 Essential Climate Variables identified by the Global Climate Observing System (GCOS) for worldwide monitoring.

This page describes some of the 50 Essential Climate Variables identified by the Global Climate Observing System (GCOS) for worldwide monitoring.

This page describes some of the 50 Essential Climate Variables identified by the Global Climate Observing System (GCOS) for worldwide monitoring.

Radar technology enables weather observers to track rain and snow storms in real time.

Comprehensive records describing 48 different types of severe events, from localized thunderstorms, tornadoes, and flash floods to regional events such as hurricanes, derechos, and winter storms.

Daily maps, charts, and animations show the extent of snow and ice over the contiguous United States, Alaska, or the whole Northern Hemisphere.