Weather-related signs that get totally destroyed due to warned weather

[Katavia]

Hmm... Don't know of any off hand right now

[Ace10]

There were probably a bunch of Hurricane Evacuation Route signs that got ripped up and thrown about when Hurricane Katrina hit the Gulf Coast in 2005.

[freebrickproductions]

Still haven't seen fog damage any "Fog Area" signs.

[roadman]

Still haven't seen fog damage any "Fog Area" signs.

But I have seen fog obscure some "Fog Area" signs.

[thenetwork]

Still haven't seen fog damage any "Fog Area" signs.

Unless it's a older, faded sign.  Then it may look a little foggy!

[JoePCool14]

Still haven't seen fog damage any "Fog Area" signs.

But I have seen fog obscure some "Fog Area" signs.

Fog might cause someone to take out a "Fog Area" sign.

Floods could rot or rust the post of a sign that says "Flooding Possible".