National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

New connectivity allows dissemination of Non-Weather Emergency Messages (NWEMs) from external providers and Local Storm Reports (LSRs) that were generated using the latest NWS software update.

  • If you need assistance concerning NWWS or would like to report an NWWS issue, send an e-mail to NWWS.Issue@noaa.gov
  • If you experience outage, product loss, or login issue that cannot be resolved using the information under FAQ, please notify SDM@noaa.gov (for product loss and outages) NWWS.Issue@noaa.gov (for all other issues).