diff --git a/klippy/extras/bme280.py b/klippy/extras/bme280.py
index bf6c7b91..c07da843 100644
--- a/klippy/extras/bme280.py
+++ b/klippy/extras/bme280.py
@@ -32,6 +32,7 @@ class BME280:
         self.os_hum = config.getint('bme280_oversample_hum', 2)
         self.os_pres = config.getint('bme280_oversample_pressure', 2)
         self.temp = self.pressure = self.humidity = self.t_fine = 0.
+        self.min_temp = self.max_temp = 0.
         self.max_sample_time = \
             (1.25 + (2.3 * self.os_temp) + ((2.3 * self.os_pres) +
              .575) + ((2.3 * self.os_hum) + .575)) / 1000
@@ -48,7 +49,8 @@ class BME280:
         self.reactor.update_timer(self.sample_timer, self.reactor.NOW)
 
     def setup_minmax(self, min_temp, max_temp):
-        pass
+        self.min_temp = min_temp
+        self.max_temp = max_temp
 
     def setup_callback(self, cb):
         self._callback = cb
@@ -135,6 +137,10 @@ class BME280:
         self.temp = self._compensate_temp(temp_raw)
         self.pressure = self._compensate_pressure(pressure_raw) / 100.
         self.humidity = self._compensate_humidity(humid_raw)
+        if self.temp < self.min_temp or self.temp > self.max_temp:
+            self.printer.invoke_shutdown(
+                "BME280 temperature %0.1f outside range of %0.1f:%.01f"
+                % (self.temp, self.min_temp, self.max_temp))
         measured_time = self.reactor.monotonic()
         self._callback(self.mcu.estimated_print_time(measured_time), self.temp)
         return measured_time + REPORT_TIME