Snow storm / blizzard?

[punisher]

Hi im looking for a snowstorm or blizard script or addon. I beleive i seen snow in one mission i have played so i think its possible. Even if its just light snow il just change the visablilty.
thanks

[aLlamaWithARifle]

The BIS weather function makes snow depending on the overcast and date that the mission is set.

You could also try this thread.