diff --git a/tmpl/alert-rules.yml b/tmpl/alert-rules.yml
index 8c6a684..72d5c01 100644
--- a/tmpl/alert-rules.yml
+++ b/tmpl/alert-rules.yml
@@ -39,3 +39,12 @@ groups:
         a value of {{ $value }}.
       summary: Instance {{ $labels.instance }} filesystem usage is dangerously high
 
+  # Heavy CPU temperature
+  - alert: cpu_temp_threshold_exceeded
+    expr: avg(node_hwmon_temp_celsius{job="node"}) BY (instance)
+      > 50
+    annotations:
+      description: This device's cpu temperature has exceeded the threshold with a value
+        of {{ $value }}.
+      summary: Instance {{ $labels.instance }} CPU temperature is dangerously high
+