National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into Wednesday. 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:

  • Name (First and Last)
  • Company
  • Address
  • State, City, and Zip
  • Telephone Number
  • Account Info: Single or Multiple Accounts

Remember: If multiple accounts are run from the same computer system the system will shut down.

 

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.