Outdoor Warning System

Sirens are designed to warn people outdoors of impending severe weather or other hazards. As of November 2025, the City of Whitewater is now a part of a Walworth County integrated storm siren system.  CommanderOne links the siren system directly to the National Weather Service warnings for activation and allows for monitoring the readiness of the sirens.

Siren Activation

The activation of the warning sirens alerts the public to seek shelter and to turn on radio or television broadcasts for further information. The warning sirens may also be used for other emergencies, including chemical spills or toxic hazards, which may require residents to take action. Information pertaining to these activation's will be made available through radio and television announcements to inform you as the actions to be taken. "All clear" announcements will be made over the television or radio, and not by means of the warning sirens.

  1. Criteria for Activation
  2. Siren Locations
  3. Siren Testing

Whitewater uses sirens as an effective means of warning people outdoors of rapidly approaching dangerous weather. When the National Weather Service issues a Tornado Warning or a Severe Thunderstorm Warning with Hurricane Force (80+ MPH) Winds, the CommanderOne system is set to automatically activate sirens within the warning polygon.

No Severe Weather

Although there is always the potential that a warning may sound and the severe weather may not actually affect Whitewater, it is determined to be better to give the warning and allow residents to seek further information from the radio and television broadcasts than to delay the warning and possibly not have residents advised in a timely manner.

Questions

Should you have any questions relating to severe weather and siren activation, please feel free to contact the Office of Emergency Management at 262-473- 0570.