Welcome To WeatherSigma

 
Model Latest Run Latest Hour Download Status Files Downloaded Map Status Maps Generated
GFS 2025-08-23 06Z 384 finished 3,065 finished 766
HRRR 2025-08-23 11Z 7 downloading 454 processing 36
NAM 2025-08-23 00Z 60 finished 924 finished 696

 

WeatherSigma uses publicly available model data from the NOAA Operational Model Archive Distribution System (NOMADS), the European Center for Medium-Range Weather Forecasts, the Meteorological Service of Canada (etc. etc.). WeatherSigma uses publicly available observational data from the National Climatic Data Center, the National Weather Service, the Federal Aviation Administration, NOAA's U.S. Climate Reference Network, the National Interagency Fire Center, the Citizen Weather Observer Program (CWOP), the Natural Resources Conservation Service, the National Data Buoy Center, Environment Canada, and various transportation networks across the United States.

 

Current Available Map Runs: