New: Episodes that air today will not be shown in the UI as missing.

NzbDrone.Core/Model/EpisodeStatusType.cs

@@ -13,10 +13,16 @@
         Ignored,
 
         /// <summary>
-        /// Episode has aired but no episode
+        /// Episode has aired, but no episode
-        /// files have avilable
+        /// files are avilable
         /// </summary>
         Missing,
+
+        /// <summary>
+        /// Episode airs today, but no episode
+        /// files are avilable
+        /// </summary>
+        AirsToday,
         
         /// <summary>
         /// Episode is being downloaded

NzbDrone.Core/Repository/Episode.cs

@@ -56,6 +56,9 @@ namespace NzbDrone.Core.Repository
                 if (GrabDate != null && GrabDate.Value.AddDays(1) >= DateTime.Now)
                     return EpisodeStatusType.Downloading;
 
+                if (AirDate != null && AirDate.Value.Date == DateTime.Today)
+                    return EpisodeStatusType.AirsToday;
+
                 if (AirDate != null && AirDate.Value.Date < DateTime.Now)
                     return EpisodeStatusType.Missing;