Chicago, IL
Weather Forecast Office
KZZ-81 Lockport, 162.425 MHz NOAA All Hazards Weather Radio station, KZZ-81 serves portions of northeast Illinois and northwest Indiana including the Chicago Metropolitan Area, from a 1000 Watt transmitter in Lockport, IL. 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 in southwest suburban Romeoville. 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 KZZ-81 occur each WEDNESDAY at approximately 11 AM.
Broadcast Cycle
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Hazards
Enhanced Hazardous Weather Outlook
Hazardous Weather Outlook
National Briefing
Skywarn
Outlooks
Watch/Warning/Advisory Criteria
Snow Squall Warnings
Local Forecasts
Text Products
Aviation
Marine
Fire
Enhanced Data Display (EDD)
Great Lakes Marine Portal
Lake Michigan Beach Forecast
El Nino
Snow and Ice Probabilities
Past Weather
Weather Event Write-Ups
Stormdata
Holiday Climate Data
Climate Plots
Education
Play Time for Kids
Jetstream
Student Opportunities
NWS Training Portal
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Chicago, IL
333 West University Drive
Romeoville, IL 60446
815-834-1435 8am-8pm
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