National Weather Service United States Department of Commerce
NOAA Weather Radio  

KZZ55 Dixon, 162.525 MHz

NOAA All Hazards Weather Radio station KZZ-55 serves Northwest and North Central Illinois, from a 300 Watt transmitter in Dixon, Illinois. The nominal effective range of the transmitter is about 40 miles. Continuous 24 hour programming is provided from the National Weather Service Chicago Forecast Office, located southwest of Chicago in Romeoville Illinois.

A map of the listening area is shown below, with Specific Area Message Encoder codes shown for each county. Severe weather watches and warnings are tone-alerted for all counties shaded in blue. Tone alarm tests for the Dixon radio occur each WEDNESDAY at approximately 11 AM.


Map of KZZ-55 Warning Area

Signal coverage area map


Clinton, IA **

SAME code


** Warnings for Carroll, Whiteside and Bureau counties are issued by the NWS office in Davenport, IA.


Broadcast Cycle

  • Station ID Message
  • Regional Weather Synopsis
updated around 430 AM and 430 PM, or as needed
  • Hourly Temperature Roundup
updated between 5 and 10 min past the hour
  • Short Term Forecast
only when precipitation or active weather is near North Central Illinois
  • Dixon, Sterling/Rock Falls and Surronding Area Forecast
updated 4 AM and 4 PM and as needed
  • Rockford Climate Summary
6 AM to 10 am, and 430 PM to 7 PM
  • River Stages
for the Rock and Pecatonica Rivers (during the warm season)
  • Severe Weather and other special programming during "active" weather