diff --git a/app.py b/app.py
index 7ac8bcc..456a2c5 100644
--- a/app.py
+++ b/app.py
@@ -342,7 +342,8 @@ def _parse_warning_datetime(value):
 # schneebedeckt     hail + snow (hagel WW + temp ≤ 2°C)
 # sturmundhagel     thunderstorm + rain + hail (WW 96, 99)
 # schneebedecktsonne snow + sunshine (temp ≤ 2°C, cloud < 60 %)
-# nebel             dense fog  (visibility < 1000 m)
+# nebel             dense fog  (visibility < 1000 m, day)
+# nebel_nacht        dense fog  (visibility < 1000 m, night)
 # nebel_wolkig      foggy + overcast (1000-5000 m, cloud > 60 %)
 # wolkig_nebel_sonne patchy fog / haze (1000-5000 m, less cloud)
 # nacht             clear night (moon)
@@ -351,6 +352,7 @@ def _parse_warning_datetime(value):
 # nacht(3)          moon+cloud+snow
 
 _WW_HAIL          = {27, 89, 90, 93, 94}         # hail showers (no thunder)
+_WW_GRAUPEL       = {87, 88}                       # graupel → schneebedeckt
 _WW_THUNDER_HAIL  = {96, 99}                       # thunderstorm + hail → sturmundhagel
 _WW_THUNDER_RAIN  = {91, 92, 95, 97, 98}           # thunderstorm + precipitation
 _WW_THUNDER_DRY   = {17}                            # dry thunderstorm
@@ -360,18 +362,20 @@ def weather_icon(cloud_pct, precip_mm, rain_prob, temp_c, is_night=False, visibi
     # Fog (takes priority; fog unlikely when precipitating heavily)
     if visibility_m is not None and visibility_m < 5000 and not (precip_mm and precip_mm > 0.5):
         if visibility_m < 1000:
-            return "nebel"
+            return "nebel_nacht" if is_night else "nebel"
         if cloud_pct is not None and cloud_pct > 60:
             return "nebel_wolkig"
         return "wolkig_nebel_sonne"
 
-    # ── WW-code based icons (thunderstorm / hail) ─────────────────────
+    # ── WW-code based icons (thunderstorm / hail / graupel) ──────────
     if weather_code is not None:
         ww = int(weather_code)
         if ww in _WW_THUNDER_HAIL:
             return "sturmundhagel"
         if ww in _WW_HAIL:
             return "schneebedeckt" if (temp_c is not None and temp_c <= 2) else "hagel"
+        if ww in _WW_GRAUPEL:
+            return "schneebedeckt"
         if ww in _WW_THUNDER_RAIN:
             return "sturm"
         if ww in _WW_THUNDER_DRY:
@@ -416,6 +420,7 @@ def pick_daily_icon(hours):
     if ww_codes:
         has_t_hail  = any(w in _WW_THUNDER_HAIL  for w in ww_codes)
         has_hail    = any(w in _WW_HAIL           for w in ww_codes)
+        has_graupel = any(w in _WW_GRAUPEL        for w in ww_codes)
         has_t_rain  = any(w in _WW_THUNDER_RAIN   for w in ww_codes)
         has_t_dry   = any(w in _WW_THUNDER_DRY    for w in ww_codes)
         avg_temp    = sum(h["temp_c"] for h in hours if h.get("temp_c") is not None)
@@ -425,6 +430,8 @@ def pick_daily_icon(hours):
             return "sturmundhagel"
         if has_hail:
             return "schneebedeckt" if mean_temp <= 2 else "hagel"
+        if has_graupel:
+            return "schneebedeckt"
         if has_t_rain:
             return "sturm"
         if has_t_dry:
diff --git a/static/css/style.css b/static/css/style.css
index 0e833be..1e5aaee 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -447,6 +447,7 @@ main { flex: 1; }
 .wx-icon-wrap[data-icon="schneebedecktsonne"] { background: linear-gradient(135deg, #4080a8 0%, #a8d0e8 60%, #e0c060 100%); }
 .wx-icon-wrap[data-icon="wolkig_nebel_sonne"] { background: linear-gradient(135deg, #706858 0%, #a09880 100%); }
 .wx-icon-wrap[data-icon="nebel"]               { background: linear-gradient(135deg, #7a8a96 0%, #b0c0cc 100%); }
+.wx-icon-wrap[data-icon="nebel_nacht"]          { background: linear-gradient(135deg, #2a3040 0%, #485868 100%); }
 .wx-icon-wrap[data-icon="nebel_wolkig"]        { background: linear-gradient(135deg, #505a64 0%, #8898a8 100%); }
 /* Night icons */
 .wx-icon-wrap[data-icon="nacht"]       { background: linear-gradient(135deg, #080c20 0%, #141c40 100%); }
diff --git a/static/icons/nebel_nacht.png b/static/icons/nebel_nacht.png
new file mode 100644
index 0000000..37b6417
Binary files /dev/null and b/static/icons/nebel_nacht.png differ