Merge pull request #11038 from Citadel-Station-13/kevinz000-patch-7

STOP_PROCESSING now also removes from currentrun

code/datums/weather/weather.dm

@@ -61,7 +61,7 @@
 		if(A.z in impacted_z_levels)
 			impacted_areas |= A
 	weather_duration = rand(weather_duration_lower, weather_duration_upper)
-	START_PROCESSING(SSweather, src)
+	START_PROCESSING(SSweather, src)			//The reason this doesn't start and stop at main stage is because processing list is also used to see active running weathers (for example, you wouldn't want two ash storms starting at once.)
 	update_areas()
 	for(var/M in GLOB.player_list)
 		var/turf/mob_turf = get_turf(M)
@@ -107,6 +107,14 @@
 	STOP_PROCESSING(SSweather, src)
 	update_areas()
 
+/datum/weather/process()
+	if(aesthetic || (stage != MAIN_STAGE))
+		return
+	for(var/i in GLOB.mob_living_list)
+		var/mob/living/L = i
+		if(can_weather_act(L))
+			weather_act(L)
+
 /datum/weather/proc/can_weather_act(mob/living/L) //Can this weather impact a mob?
 	var/turf/mob_turf = get_turf(L)
 	if(mob_turf && !(mob_turf.z in impacted_z_levels))