WXK82: NOAA Weather Radio for Hannibal, Missouri
WXK82 is the NOAA Weather Radio transmitter at Hannibal, broadcasting on 162.475 MHz at 1000 watts. It carries the National Weather Service St. Louis office's broadcast and covers 9 counties, each listed below with the SAME code an alert radio needs to wake for that county and stay quiet for the rest.
| Callsign | WXK82 |
|---|---|
| Frequency | 162.475 MHz |
| Transmitter | Hannibal, Missouri |
| Power | 1000 watts |
| Forecast office | NWS St. Louis |
| Status | Normal (NWS data, July 2026) |
Marine radios often label 162.475 MHz as WX3, but WX channel numbers vary by brand - go by the frequency.
Counties WXK82 covers
| County | State | SAME code |
|---|---|---|
| Adams | Illinois | 017001 |
| Brown | Illinois | 017009 |
| Pike | Illinois | 017149 |
| Lewis | Missouri | 029111 |
| Marion | Missouri | 029127 |
| Monroe | Missouri | 029137 |
| Pike | Missouri | 029163 |
| Ralls | Missouri | 029173 |
| Shelby | Missouri | 029205 |
Program the six-digit code into your radio's SAME location list - the SAME code guide walks through it, and how alert radios work explains what the radio does with it.
A radio that will use this code
WXK82 alerts are only useful inside a radio you can program the s codes above into. Two that do it, for two different jobs.
At home, always on
Midland WR120B. Mains desk radio with battery backup. Program the SAME code from the table and it stays silent until your county specifically is warned, then wakes you.
Check current price (Amazon)In the bag or the car
Midland ER310. Crank, solar and USB, with a flashlight. Receives WXK82 the same as anything else; it does not do SAME alerting. The one still working on day three of an outage.
Check current price (Amazon)Hearing WXK82
Any receiver that tunes 162.475 MHz FM can listen: scanners, VHF ham radios, marine sets, or a software-defined receiver. What those do not do is wake you at 3 a.m. - for that you want a dedicated radio with SAME alerting, covered in the buyer's guide.
Every Missouri transmitter, county and SAME code: NOAA Weather Radio in Missouri. Or look any county up with the finder.
Sources:
- “NWR County Coverage Listings”. weather.gov. Archived from the original on 2026-07-19. Retrieved 2026-07-16. Every figure on this page - frequency, transmitter site, power, operational status, and county SAME codes - is from this dataset. Transmitters move, change power, and go down for maintenance; verify locally before you rely on it.