Public Warning Systems

All-Hazards Radios

The Office of Emergency Management (OEM) highly recommends everyone keep at least one National Oceanic and Atmospheric Administration (NOAA) All-Hazards Weather Radio with Specific Area Message Encoding (SAME) capability in your home and workplace. These radios can be programmed to automatically deliver severe weather watches and warnings affecting the places you care about.

SAME Programming Information

The SAME programming information for Jefferson County is provided. If you have any issues setting up your weather radio, you can schedule a time to stop by the OEM and one of our staff will assist you.

  • County: Jefferson
  • SAME Code: 029099
  • Transmitter: St. Louis
  • Frequency: 162.550
  • Call Sign: KD089

For more information about All-Hazards Radios, check out the NOAA website.

CodeRED Reverse 911 System

Another great warning tool available in Jefferson County is the CodeRED notification system. This is run through Jefferson County 911 and can be used to send significant emergency information to your phone, including severe weather notifications. It’s also completely free of charge! You must sign up for this service through Jefferson County 911  by calling the dispatch center at 636-797-9797.


Some of Jefferson County’s municipalities maintain their own CodeRED System:

Outdoor Warning Sirens

Jefferson County does not have an outdoor warning siren system though some of its municipalities do.