National Weather Service United States Department of Commerce


Shapefiles are an open published de-facto industry and government standard GIS format viewable by many, commercial and Open Source GIS Desktop and sever applications.See a list of free Shapefile viewers below. Questions?

Current Weather   Forecasts

Watches & Warnings
• Current Weather Warnings
• Weather Hazards Assessments

River And Flooding Data
• Observed and Forecast AHPS River Gauges

Other Current Data
• Alaska Ice and Sea Surface Temperature


Flood/Flash Flood
• Flash Flood Guidance
• Significant River Flood Outlook
• Gridded Flash Flood

• NOAA Atlas 14 Precipitation Frequency Estimates

• U.S Temperature and Precipitation Seasonal Outlooks

Past Weather   Additional Info

• 1950-2006 Database of Tornado, Large Hail, and Damaging Wind Reports

• Hourly Precipitation Analysis


• Heat Index
• Global Sea Surface Temperature

Drought Monitoring
• Soil Moisture
• Evaporation
• Precipitation
• Runoff
• Temperature


These free programs allow the user to view and in some cases, edit shapefiles*


Gaia Gaia - A viewer from The Carbon Project supporting shapefiles and OGC web services,
Udig uDig - User friendly Desktop Internet GIS. An open source free viewer for shapefiles and web services.
openJump OpenJump - Java based open source Shapefile reader/writer.
QGIS Quantum GIS - Supports shapefiles, raster, openSteetMap, and OGC Web services among others.
Esri Esri ArcGIS Explorer Desktop - Supports shapefiles, KML/KMZ, GeoTiff, and OGC Web services among others.


*NOTE: The Department of Commerce, National Oceanic and Atmospheric Administration, and National Weather Service do not endorse any particular product, company, information provider, or content on referenced sites.

The software in the list were chosen as they have been used by NWS employees at various times. If there is additional software of this type that you wish to see listed please contact us. `

Other useful Links:

degrib - Converts GRIB 2 data to point or polygon shapefiles from NOAA