diff --git a/code/datums/weather/weather_types/fog.dm b/code/datums/weather/weather_types/fog.dm
new file mode 100644
index 00000000..d18ebfc2
--- /dev/null
+++ b/code/datums/weather/weather_types/fog.dm
@@ -0,0 +1,25 @@
+/datum/weather/fog
+	name = "Heavy fog"
+	desc = "Rising clouds results in low visibiliy and fuck shit piss cum."
+
+	telegraph_message = "<span class='warning'>Rolling clouds begin to loom and engulf the station.</span>"
+	telegraph_duration = 300
+	telegraph_overlay = "fog1"
+
+	weather_message = "<span class='boldwarning'><i>Clouds sweep up the station and engulf it within a hazy fog.</i></span>"
+	weather_duration_lower = 600
+	weather_duration_upper = 1200
+	weather_overlay = "fog2"
+
+	end_message = "<span class='boldannounce'>Passing clouds slowly fade away.</span>"
+	end_duration = 300
+	end_overlay = "fog1"
+
+	area_type = /area/layenia
+	target_trait = ZTRAIT_STATION
+
+	probability = 100
+
+	barometer_predictable = TRUE
+
+	aesthetic = TRUE
diff --git a/icons/effects/weather_effects.dmi b/icons/effects/weather_effects.dmi
index da152370..7dda7423 100644
Binary files a/icons/effects/weather_effects.dmi and b/icons/effects/weather_effects.dmi differ
diff --git a/tgstation.dme b/tgstation.dme
index fc4ce7b4..52132484 100644
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -520,6 +520,7 @@
 #include "code\datums\weather\weather_types\acid_rain.dm"
 #include "code\datums\weather\weather_types\ash_storm.dm"
 #include "code\datums\weather\weather_types\floor_is_lava.dm"
+#include "code\datums\weather\weather_types\fog.dm"
 #include "code\datums\weather\weather_types\radiation_storm.dm"
 #include "code\datums\weather\weather_types\snow_storm.dm"
 #include "code\datums\wires\_wires.dm"