
A Moderate Risk of severe thunderstorms (level 4 of 5) is in the outlook across portions of the Midwest today. Damaging winds, a few tornadoes and frequent lightning with heavy rainfall are in the forecast. Meanwhile, dangerous heat across the southern Plains into the Great Lakes, mid-Atlantic and Northeast will expand into Friday. Risk for wildfires for the central Rockies and Sacramento Valley. 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:
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.