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NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

The National Weather Service Office in St. Louis has the responsibility of maintaining a 24 hour weather watch over an area that stretches from central Missouri to near the Iowa border, east into west central Illinois, and into portions of southeast Missouri.  The area includes 29 counties in Missouri and 17 in Illinois. Click here for map of our County Warning Area (CWA).
 

Click here for a brief history of the Weather Service in St. Louis