Abstract: A grain temperature monitor for use with one or more grain bins, the monitor including one or more temperature sensors, an analog sensor indicator unit, and a non-analog sensor indicator unit. The analog sensor indicator unit provides a signal when one or more of the temperature sensors senses a temperature in the monitored grain that equals or exceeds a predetermined reference temperature. In addition, an operator controllable switch can be manipulated to determine the approximate temperature of the highest sensed temperature. The non-analog sensor indicator unit provides a visual indication as to which of the temperature sensors then currently senses the highest temperature, without regard as to whether such sensed temperature exceeds the predetermined temperature threshold or not.