diff --git a/TR5Main/Game/effects/weather.cpp b/TR5Main/Game/effects/weather.cpp
index f57fa97ea..7ff65b19f 100644
--- a/TR5Main/Game/effects/weather.cpp
+++ b/TR5Main/Game/effects/weather.cpp
@@ -17,7 +17,7 @@ namespace Environment
 {
 	EnvironmentController Weather;
 
-	float WeatherParticle::Transparency()
+	float WeatherParticle::Transparency() const
 	{
 		float result = WEATHER_PARTICLES_TRANSPARENCY;
 
@@ -210,10 +210,8 @@ namespace Environment
 
 	void EnvironmentController::UpdateWeather(GameScriptLevel* level)
 	{
-		for (int i = 0; i < Particles.size(); i++)
+		for (auto& p : Particles)
 		{
-			auto& p = Particles[i];
-
 			auto oldPos = p.Position;
 
 			if (!p.Stopped)
diff --git a/TR5Main/Game/effects/weather.h b/TR5Main/Game/effects/weather.h
index 42d8fdab4..8b7116d4b 100644
--- a/TR5Main/Game/effects/weather.h
+++ b/TR5Main/Game/effects/weather.h
@@ -18,7 +18,6 @@ namespace Environment
 	constexpr auto WEATHER_PARTICLES_TRANSPARENCY = 0.8f;
 	constexpr auto WEATHER_PARTICLES_NEAR_DEATH_LIFE_VALUE = 16;
 
-
 	constexpr auto SKY_POSITION_LIMIT = 9728;
 
 	enum class WeatherType
@@ -43,10 +42,9 @@ namespace Environment
 		bool Enabled;
 		bool Stopped;
 
-		float Transparency();
+		float Transparency() const;
 	};
 
-
 	class EnvironmentController
 	{
 	public:
diff --git a/TR5Main/Renderer/Renderer11DrawEffect.cpp b/TR5Main/Renderer/Renderer11DrawEffect.cpp
index 845f52685..741377bc7 100644
--- a/TR5Main/Renderer/Renderer11DrawEffect.cpp
+++ b/TR5Main/Renderer/Renderer11DrawEffect.cpp
@@ -417,7 +417,7 @@ namespace TEN::Renderer
 
 	void Renderer11::drawWeatherParticles(RenderView& view) 
 	{		
-		for (auto p : Weather.GetParticles())
+		for (auto& p : Weather.GetParticles())
 		{
 			if (!p.Enabled)
 				continue;