Data Acknowledgements and Disclaimer

weatherUSA, LLC ("weatherUSA") thanks our data providers and partners for information displayed in this application originating from sources listed below. Unless otherwise specified, references to organizations herein does not imply endorsement of data or services of the respective organizations or of weatherUSA by the organizations.

Place Names

Place Names are sourced from a database managed by weatherUSA. The database contains, in part, names from the Geographic Names Information System (GNIS) produced by the U.S. Geological Survey (USGS).


National Weather Service data

The following data are produced by the National Weather Service (NWS), National Oceanic and Atmospheric Administration (NOAA):

The above works are in the public domain in the United States because they are works prepared by an officer or employee of the United States Government as part of that person's official duties under the terms of U.S. Code Title 17, Chapter 1, Section 105. These works are not subject to copyright in the United States.


Surface Observations

Surface weather observations are collected from a multitude of sources. The primary source of data is the NOAA Meteorological Assimilation Data Ingest System (MADIS). MADIS collects observations through third-party networks which are listed at MADIS Surface Network Information. We thank the MADIS Team and the third-party networks for making available this data.

No warranties are expressed or implied regarding the accuracy, completeness, or reliability of the information provided. Data users are cautioned to consider the provisional nature of the data before using it for decision making. Mesonet data, in particular, should be considered experimental and not always reliable or accurate. NOAA does not own or operate Mesonet sites and is not responsible for site maintenance or data accuracy. The user assumes the entire risk related to use of the data. NOAA and its data providers disclaim liability of any kind whatsoever, including, without limitation, liability for quality, performance, merchantability and fitness for a particular purpose arising out of the use, or inability to use the data.

weatherUSA operates a small subset of weather stations that report to the MADIS network under the "APRSWXNET" provider tag. With the exception of these stations, weatherUSA does not own or operate Mesonet sites and is not responsible for site maintenance or data accuracy. The user assumes the entire risk related to use of the data. weatherUSA and its data providers disclaim liability of any kind whatsoever, including, without limitation, liability for quality, performance, merchantability and fitness for a particular purpose arising out of the use, or inability to use the data.