diff --git a/src/gort/overwatcher/calibration.py b/src/gort/overwatcher/calibration.py
index d05d2ff..926f290 100644
--- a/src/gort/overwatcher/calibration.py
+++ b/src/gort/overwatcher/calibration.py
@@ -550,20 +550,29 @@ async def run_calibration(self, calibration: Calibration):
             dome_current = await self.overwatcher.gort.enclosure.is_open()
             needs_dome_change = dome_new != dome_current
 
-            if needs_dome_change and not self.overwatcher.state.enabled:
-                await self._fail_calibration(
-                    calibration,
-                    f"Cannot move dome for {name!r}. Overwatcher is disabled.",
-                    level="error",
-                )
-                return
-
-            if dome == "open" and not dome_current:
-                await notify("Opening the dome for calibration.")
-                await self.overwatcher.gort.enclosure.open()
-            elif dome == "closed" and dome_current:
-                await notify("Closing the dome for calibration.")
-                await self.overwatcher.gort.enclosure.close()
+            if needs_dome_change:
+                if not self.overwatcher.state.enabled:
+                    await self._fail_calibration(
+                        calibration,
+                        f"Cannot move dome for {name!r}. Overwatcher is disabled.",
+                        level="error",
+                    )
+                    return
+
+                if dome == "open" and not self.overwatcher.state.safe:
+                    await self._fail_calibration(
+                        calibration,
+                        f"Cannot move dome for {name!r}. Weather is not safe.",
+                        level="warning",
+                    )
+                    return
+
+                if dome == "open" and not dome_current:
+                    await notify("Opening the dome for calibration.")
+                    await self.overwatcher.gort.enclosure.open()
+                elif dome == "closed" and dome_current:
+                    await notify("Closing the dome for calibration.")
+                    await self.overwatcher.gort.enclosure.close()
 
         await notify(f"Running recipe {recipe!r} for calibration {name!r}.")
         await self.overwatcher.gort.execute_recipe(recipe)