About

Graupel is a personal weather dashboard that provides fast, clean access to forecasts, current conditions, radar, and weather alerts for locations across the United States. It is powered by official National Weather Service data and designed as a progressive web application for use on any device.

Updates

Scheduled Maintenance on May 1, 2026

On May 1, 2026, Graupel will undergo scheduled maintenance to implement important updates and improvements. During this time, the application may be temporarily unavailable. We apologize for any inconvenience and appreciate your understanding as we work to enhance your experience with Graupel.

Contact

Contact information coming soon.

Data Credits

Weather forecasts, observations & alerts — National Weather Service (NWS) / weather.gov, a service of NOAA.
Radar precipitation (MRMS) — Multi-Radar/Multi-Sensor (MRMS) system, provided by NOAA/NCEP via mrms.ncep.noaa.gov and the NOAA Open Data Program (AWS S3).
Place names & geocoding — USGS Geographic Names Information System (GNIS) National Gazetteer.
County & state boundaries — U.S. Census Bureau TIGER/Line Cartographic Boundary Files.
International boundaries — Natural Earth (public domain).
City & place data — U.S. DOT Bureau of Transportation Statistics (BTS) NTAD Places.

Copyright

Weather data and geographic datasets displayed in Graupel are produced by U.S. government agencies and are in the public domain.