diff --git a/src/blackmisc/weather/cloudlayer.h b/src/blackmisc/weather/cloudlayer.h
index f88178410..58151e49d 100644
--- a/src/blackmisc/weather/cloudlayer.h
+++ b/src/blackmisc/weather/cloudlayer.h
@@ -39,7 +39,8 @@ namespace BlackMisc
                 Few,
                 Scattered,
                 Broken,
-                Overcast
+                Overcast,
+                CoverageUnknown
             };
 
             //! Cloud type
@@ -49,7 +50,8 @@ namespace BlackMisc
                 Cirrus,
                 Stratus,
                 Cumulus,
-                Thunderstorm
+                Thunderstorm,
+                CloudsUnknown
             };
 
             //! Precipitation Type
@@ -57,7 +59,8 @@ namespace BlackMisc
             {
                 NoPrecipitation,
                 Rain,
-                Snow
+                Snow,
+                PrecipitationUnknown
             };
 
             //! Properties by index
diff --git a/src/plugins/weatherdata/gfs/weatherdatagfs.cpp b/src/plugins/weatherdata/gfs/weatherdatagfs.cpp
index 15456cd2d..a738262eb 100644
--- a/src/plugins/weatherdata/gfs/weatherdatagfs.cpp
+++ b/src/plugins/weatherdata/gfs/weatherdatagfs.cpp
@@ -285,6 +285,7 @@ namespace BlackWxPlugin
                         cloudLayer.setPrecipitation(CCloudLayer::Rain);
                         cloudLayer.setPrecipitationRate(gfsGridPoint.surfaceRainRate);
                     }
+                    cloudLayer.setClouds(CCloudLayer::CloudsUnknown);
                     cloudLayers.insert(cloudLayer);
                 }