If you want to had a bad weather...just edit the game.sii in ALH save file..find this

 bad_weather_intensity: 0
 stored_rain_intensity: 0
 stored_snow_intensity: 0

 and change it to

 bad_weather_intensity: 1
 stored_rain_intensity: 1
 stored_snow_intensity: 1

...try the game....and you will have looks like white one come down..........if you 
doesn't like it. Just change the digit to "0" and the good things is....
It works with all 18 WOS edition. Except for Extreme Trucker.