National Weather Service United States Department of Commerce

A Number Of Hazards Expected Today

A number of hazards are expected across the U.S. today. Severe thunderstorms are expected in the Upper Mississippi Valley and from Missouri to the Carolinas. Widespread critical fire weather conditions are likely from the Southwest to south-central High Plains. Flood watches are in effect for parts of Hawaii and Alaska. Finally, record heat persists in the Southern U.S. Read More >

NWS is extending the comment period for the Experimental National Geographic Information System (GIS) Map Viewer (“the Viewer”) web application hosted on the Amazon Web Services public cloud through May 27, 2022. The following notification  and news article contain more information. The Viewer is also embedded below.

Many of the National Weather Service data sets are available in formats that are able to be imported directly into Geographic Information Systems (GIS) or your own custom map viewers or web pages.  Data formats include downloadable shapefiles and KML formats, web services, and our basemaps in shapefile format.

As more data is made available in these formats, links to the data will be added to these pages. Click one of the GIS format links above to start exploring the NWS GIS data currently available!