diff --git a/init.lua b/init.lua
index 37bd223..eb1c450 100644
--- a/init.lua
+++ b/init.lua
@@ -11,6 +11,12 @@ if minetest.get_modpath("happy_weather_api") == nil then
 	dofile(modpath.."/commands.lua")
 end
 
+legacy_MT_version = false
+if minetest.get_humidity == nil then
+	minetest.log("warning", "MOD [weather_pack]: Old Minetest version detected, some mod features will not work.")
+	legacy_MT_version = true
+end
+
 -- Happy Weather utilities
 dofile(modpath.."/utils.lua")
 
diff --git a/utils.lua b/utils.lua
index 66267db..cd28497 100644
--- a/utils.lua
+++ b/utils.lua
@@ -78,23 +78,27 @@ hw_utils.get_random_pos = function(player, offset)
 end
 
 local is_biome_frozen = function(position)
+	if legacy_MT_version then
+		return false;
+	end
 	local heat = minetest.get_heat(position)
-	print("karstis: " .. heat)
 	-- below 35 heat biome considered to be frozen type
 	return heat < 35
 end
 
 hw_utils.is_biome_frozen = function(position)
 	if mg_name == "v6" then
-		return false -- v6 not supported yet.
+		return false -- v6 not supported.
 	end
 	return is_biome_frozen(position)
 end
 
 local is_biome_dry = function(position)
+	if legacy_MT_version then
+		return false;
+	end
 	local humidity = minetest.get_humidity(position)
 	local heat = minetest.get_heat(position)
-	print("DREGME: " .. humidity)
 	return humidity < 50 and heat > 65
 end
 
@@ -106,6 +110,9 @@ hw_utils.is_biome_dry = function(position)
 end
 
 local is_biome_tropic = function(position)
+	if legacy_MT_version then
+		return false;
+	end
 	local humidity = minetest.get_humidity(position)
 	local heat = minetest.get_heat(position)
 
diff --git a/weathers/snowstorm.lua b/weathers/snowstorm.lua
index 68536eb..39d8a19 100644
--- a/weathers/snowstorm.lua
+++ b/weathers/snowstorm.lua
@@ -11,8 +11,8 @@ local snowstorm = {}
 -- Weather identification code
 snowstorm.code = "snowstorm"
 snowstorm.last_check = 0
-snowstorm.check_interval = 5
-snowstorm.chance = 1
+snowstorm.check_interval = 300
+snowstorm.chance = 0.05
 
 -- Keeps sound handler references
 local sound_handlers = {}