A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S and linger through much of the work week. Numerous daily record highs and warm lows are likely. Severe thunderstorms are possible from the southern Plains through the Upper Mississippi Valley. Fire weather concerns are expected to persist across the Four Corners region. Read More >
For NWWS-Open Interface message detail (other than header information) XMMP
reader software (commercial or user-developed) is required.
To request a user_id and password for NWWS Open Interface access, please email NWWS.Issue@noaa.gov.
Be sure to include the following:
Note: NWS processing of your request may take as long as 10-days or more depending on weather conditions (critical weather days) and NWS priority requirements.