Замените следующие секции в своем файле Morrowind.ini, который лежит в корневой директории с игрой:


[Weather]
EnvReduceColor=255,255,255,255
LerpCloseColor=037,046,048,255
BumpFadeColor=230,239,255,255
AlphaReduce=0.35
Minimum Time Between Environmental Sounds=1.0
Maximum Time Between Environmental Sounds=5.0
Sun Glare Fader Max=0.5
Sun Glare Fader Angle Max=30.0
Sun Glare Fader Color=250,120,5
Timescale Clouds=1
Precip Gravity=575
Hours Between Weather Changes=4
Rain Ripples=1
Rain Ripple Radius=1024
Rain Ripples Per Drop=1
Rain Ripple Scale=0.3
Rain Ripple Speed=1.0
Fog Depth Change Speed=3
Sunrise Time=6
Sunset Time=18
Sunrise Duration=2
Sunset Duration=2
Sky Pre-Sunrise Time=.5
Sky Post-Sunrise Time=1
Sky Pre-Sunset Time=1.5
Sky Post-Sunset Time=.5
Ambient Pre-Sunrise Time=.5
Ambient Post-Sunrise Time=2
Ambient Pre-Sunset Time=1
Ambient Post-Sunset Time=1.25
Fog Pre-Sunrise Time=.5
Fog Post-Sunrise Time=1
Fog Pre-Sunset Time=2
Fog Post-Sunset Time=1
Sun Pre-Sunrise Time=0
Sun Post-Sunrise Time=0
Sun Pre-Sunset Time=1
Sun Post-Sunset Time=1.25
Stars Post-Sunset Start=1
Stars Pre-Sunrise Finish=2
Stars Fading Duration=2
Snow Ripples=0
Snow Ripple Radius=1024
Snow Ripples Per Flake=1
Snow Ripple Scale=0.3
Snow Ripple Speed=1.0
Snow Gravity Scale=0.1
Snow High Kill=700
Snow Low Kill=150

[Weather Clear]
Sky Sunrise Color=100,140,205 
Sky Day Color=115,156,220
Sky Sunset Color=196,141,170
Sky Night Color=000,000,010
Fog Sunrise Color=187,100,023
Fog Day Color=187,222,255
Fog Sunset Color=181,095,019
Fog Night Color=015,049,069
Ambient Sunrise Color=095,090,073
Ambient Day Color=184,178,117
Ambient Sunset Color=051,038,006
Ambient Night Color=030,030,050
Sun Sunrise Color=179,119,023
Sun Day Color=220,198,133
Sun Sunset Color=092,052,022
Sun Night Color=008,008,019
Sun Disc Sunset Color=220,190,010
Transition Delta=.015
Land Fog Day Depth=.34
Land Fog Night Depth=.34
Clouds Maximum Percent=1.0
Wind Speed=.1
Cloud Speed=.50
Glare View=1
Cloud Texture=Tx_Sky_Clear.tga
Ambient Loop Sound ID=None

[Weather Cloudy]
Sky Sunrise Color=049,078,120 
Sky Day Color=059,088,130
Sky Sunset Color=102,073,089
Sky Night Color=005,005,009
Fog Sunrise Color=133,122,082
;Fog Day Color=126,141,168
Fog Day Color=250,250,250
Fog Sunset Color=255,154,105
Fog Night Color=025,059,079
Ambient Sunrise Color=081,078,071
Ambient Day Color=245,255,255
Ambient Sunset Color=070,066,045
Ambient Night Color=023,026,029
Sun Sunrise Color=164,147,089
Sun Day Color=170,235,235
Sun Sunset Color=026,014,022
Sun Night Color=039,046,061
Sun Disc Sunset Color=255,189,190
Transition Delta=.015
Land Fog Day Depth=.72
Land Fog Night Depth=.72
Clouds Maximum Percent=1.0
Wind Speed=.2
Cloud Speed=1
Glare View=1
Cloud Texture=Tx_Sky_Cloudy.tga
Ambient Loop Sound ID=None

[Weather Foggy]
Sky Sunrise Color=150,150,150
Sky Day Color=120,120,120
Sky Sunset Color=030,030,030
Sky Night Color=020,020,020
Fog Sunrise Color=100,75,070
Fog Day Color=190,190,190 
Fog Sunset Color=058,057,052
Fog Night Color=023,023,033
Ambient Sunrise Color=020,022,024
Ambient Day Color=089,090,092
Ambient Sunset Color=041,035,035
Ambient Night Color=022,023,028
Sun Sunrise Color=115,110,087
Sun Day Color=111,131,141
Sun Sunset Color=102,084,078
Sun Night Color=008,006,006
Sun Disc Sunset Color=223,223,223
Transition Delta=.015
Land Fog Day Depth=1.0
Land Fog Night Depth=1.9
Clouds Maximum Percent=1.0
Wind Speed=0
Cloud Speed=.25
Glare View=0.15
Cloud Texture=Tx_Sky_Foggy.tga
Ambient Loop Sound ID=None

[Weather Overcast]
Sky Sunrise Color=197,190,180
Sky Day Color=154,180,200
Sky Sunset Color=050,043,046
Sky Night Color=001,001,001
Fog Sunrise Color=153,092,031
Fog Day Color=174,201,218
Fog Sunset Color=128,092,043
Fog Night Color=021,026,036
Ambient Sunrise Color=072,075,078
Ambient Day Color=080,090,95
Ambient Sunset Color=039,035,034
Ambient Night Color=026,026,031
Sun Sunrise Color=087,125,163
Sun Day Color=107,144,153
Sun Sunset Color=085,103,157
Sun Night Color=003,003,003
Sun Disc Sunset Color=128,118,118
Transition Delta=.015
Land Fog Day Depth=.70
Land Fog Night Depth=.70
Clouds Maximum Percent=1.0
Wind Speed=.2
Cloud Speed=1.5
Glare View=.05
Cloud Texture=Tx_Sky_Overcast.tga
Ambient Loop Sound ID=None

[Weather Rain]
Sky Sunrise Color=071,074,075
Sky Day Color=083,083,083
Sky Sunset Color=033,033,033
Sky Night Color=010,010,013
Fog Sunrise Color=077,077,077
Fog Day Color=060,060,060
Fog Sunset Color=098,062,013
Fog Night Color=015,015,015
Ambient Sunrise Color=037,044,051
Ambient Day Color=040,040,052
Ambient Sunset Color=030,030,035
Ambient Night Color=016,017,020
Sun Sunrise Color=128,119,097
Sun Day Color=110,110,115
Sun Sunset Color=060,070,090
Sun Night Color=001,001,004
Sun Disc Sunset Color=128,128,128
Transition Delta=.015
Land Fog Day Depth=.8
Land Fog Night Depth=.8
Clouds Maximum Percent=0.66
Wind Speed=.3
Cloud Speed=2
Glare View=0
Cloud Texture=Tx_Sky_Rainy.tga
Using Precip=1
Rain Diameter=600
Rain Height Min=200
Rain Height Max=700
Rain Threshold=0.6
Rain Entrance Speed=7
Rain Loop Sound ID=Rain
Ambient Loop Sound ID=None
Max Raindrops=2000

[Weather Thunderstorm]
Sky Sunrise Color=024,024,024
Sky Day Color=016,016,017
Sky Sunset Color=022,021,021
Sky Night Color=011,011,014
Fog Sunrise Color=066,061,050
Fog Day Color=018,021,025
Fog Sunset Color=033,033,033
Fog Night Color=024,030,030
Ambient Sunrise Color=018,018,018
Ambient Day Color=050,050,060
Ambient Sunset Color=020,020,020
Ambient Night Color=010,010,014
Sun Sunrise Color=091,099,122
Sun Day Color=045,045,80
Sun Sunset Color=016,025,050
Sun Night Color=001,001,015
Sun Disc Sunset Color=128,128,128
Transition Delta=.030
Thunder Frequency=.4
Thunder Threshold=0.6
Thunder Sound ID 0=Thunder0
Thunder Sound ID 1=Thunder1
Thunder Sound ID 2=Thunder2
Thunder Sound ID 3=Thunder3
Land Fog Day Depth=1
Land Fog Night Depth=1.15
Clouds Maximum Percent=0.66
Wind Speed=.5
Cloud Speed=3
Glare View=0
Cloud Texture=Tx_Sky_Thunder.tga
Using Precip=1
Rain Diameter=600
Rain Height Min=200
Rain Height Max=700
Rain Threshold=0.6
Max Raindrops=650
Rain Entrance Speed=5
Rain Loop Sound ID=rain heavy
Ambient Loop Sound ID=None
Flash Decrement=4

[Weather Ashstorm]
Sky Sunrise Color=091,056,051
Sky Day Color=126,104,082
Sky Sunset Color=121,051,040
Sky Night Color=020,021,022
Fog Sunrise Color=087,053,049
Fog Day Color=038,032,025
Fog Sunset Color=101,052,039
Fog Night Color=010,010,010
Ambient Sunrise Color=026,020,018
Ambient Day Color=130,120,120
Ambient Sunset Color=074,010,009
Ambient Night Color=035,013,014
Sun Sunrise Color=184,091,071
Sun Day Color=228,139,114
Sun Sunset Color=185,086,057
Sun Night Color=000,000,000
Sun Disc Sunset Color=128,128,128
Transition Delta=.030
Land Fog Day Depth=1.1
Land Fog Night Depth=1.2
Clouds Maximum Percent=1.0
Wind Speed=.8
Cloud Speed=7
Glare View=0
Cloud Texture=Tx_Sky_Ashstorm.tga
Ambient Loop Sound ID=ashstorm
Storm Threshold=.70


[Weather Blight]
Sky Sunrise Color=002,000,000
Sky Day Color=019,018,018
Sky Sunset Color=004,000,000
Sky Night Color=003,000,000
Fog Sunrise Color=030,000,000
Fog Day Color=002,000,000
Fog Sunset Color=000,000,000
Fog Night Color=011,008,008
Ambient Sunrise ColOr=100,000,000
Ambient Day Color=255,240,200
Ambient Sunset Color=150,050,050
Ambient Night Color=030,010,010
Sun Sunrise Color=090,000,000
Sun Day Color=255,250,200
Sun Sunset Color=100,000,000
Sun Night Color=090,080,080
Sun Disc Sunset Color=100,000,000
Transition Delta=.040
Land Fog Day Depth=1.1
Land Fog Night Depth=1.2
Clouds Maximum Percent=1.0
Wind Speed=.9
Cloud Speed=9
Glare View=0
Cloud Texture=Tx_Sky_Blight.tga
Ambient Loop Sound ID=Blight
Storm Threshold=.70
Disease Chance=.10
Thunder Frequency=.4
Thunder Threshold=0.6
Thunder Sound ID 0=Thunder0
Thunder Sound ID 1=Thunder1
Thunder Sound ID 2=Thunder2
Thunder Sound ID 3=Thunder3

[Weather Snow]
Sky Sunrise Color=100,090,080
Sky Day Color=202,202,202
Sky Sunset Color=096,115,134
Sky Night Color=021,025,029
Fog Sunrise Color=106,091,091
Fog Day Color=155,155,155
Fog Sunset Color=115,096,091
Fog Night Color=031,035,039
Ambient Sunrise Color=092,084,084
Ambient Day Color=093,096,105
Ambient Sunset Color=070,079,087
Ambient Night Color=006,007,009
Sun Sunrise Color=141,109,109
Sun Day Color=163,169,183
Sun Sunset Color=101,121,141
Sun Night Color=055,066,077
Sun Disc Sunset Color=128,128,128
Transition Delta=.015
Land Fog Day Depth=1.0
Land Fog Night Depth=1.2
Clouds Maximum Percent=1.0
Wind Speed=0
Cloud Speed=1.5
Glare View=0
Cloud Texture=Tx_BM_Sky_Snow.tga
Ambient Loop Sound ID=None
Snow Threshold=0.5
Snow Diameter=800
Snow Height Min=400
Snow Height Max=700
Snow Entrance Speed=6
Max Snowflakes=750

[Weather Blizzard]
Sky Sunrise Color=091,099,106
Sky Day Color=121,133,145
Sky Sunset Color=108,115,121
Sky Night Color=027,029,031
Fog Sunrise Color=091,099,106
Fog Day Color=150,150,150
Fog Sunset Color=108,115,121
Fog Night Color=021,024,028
Ambient Sunrise Color=084,088,092
Ambient Day Color=093,096,105
Ambient Sunset Color=083,077,075
Ambient Night Color=006,007,009
Sun Sunrise Color=114,128,146
Sun Day Color=163,169,183
Sun Sunset Color=106,114,136
Sun Night Color=057,066,074
Sun Disc Sunset Color=128,128,128
Transition Delta=.030
Land Fog Day Depth=0.8
Land Fog Night Depth=1.0
Clouds Maximum Percent=1.0
Wind Speed=.9
Cloud Speed=7.5
Glare View=0
Cloud Texture=Tx_BM_Sky_Blizzard.tga
Ambient Loop Sound ID=BM Blizzard
Storm Threshold=.50


















Также автор предлагает собственные настройки освещения:


[LightAttenuation]
UseConstant=1
ConstantValue=0.191 
;
UseLinear=1
LinearMethod=1
LinearValue=1.73
LinearRadiusMult=1.0
;
UseQuadratic=1
QuadraticMethod=2
QuadraticValue=10.0
QuadraticRadiusMult=2.0
;
OutQuadInLin=1