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WXM27: NOAA Weather Radio for Wessington, South Dakota

WXM27 is the NOAA Weather Radio transmitter at Wessington, broadcasting on 162.550 MHz at 1010 watts. It carries the National Weather Service Sioux Falls office's broadcast and covers 8 counties, each listed below with the SAME code an alert radio needs to wake for that county and stay quiet for the rest.

CallsignWXM27
Frequency162.550 MHz
TransmitterWessington, South Dakota
Power1010 watts
Forecast officeNWS Sioux Falls
StatusNormal (NWS data, July 2026)

Marine radios often label 162.550 MHz as WX1, but WX channel numbers vary by brand - go by the frequency.

Counties WXM27 covers

CountyStateSAME codeNote
BeadleSouth Dakota046005
BuffaloSouth Dakota046017
HandSouth Dakota046059
HydeSouth Dakota046069
JerauldSouth Dakota046073
KingsburySouth Dakota046077
SanbornSouth Dakota046111
SpinkSouth Dakota046115S 1/2

A county marked with a note (for example partial coverage) is served for that portion only. 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.

Hearing WXM27

Any receiver that tunes 162.550 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 South Dakota transmitter, county and SAME code: NOAA Weather Radio in South Dakota. Or look any county up with the finder.

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