The Siren Board

Hi everybody! I'll be taking a trip out to Montana and Wyoming in a week, and I'll be looking for some sirens.

I've done some searching, and while I found a few, I figured I'd ask if anyone on here knew of any, as I could be missing some. Here are some of the main areas I will be in:

-Great Falls, MT
to
-Lake McDonald
to
-St. Mary
to
-Billings (I have the sirens directly in Billings, but any from St. Mary to Billings would be appreciated!

And then after that it's a tour bus, so no siren stops there. Hoping to at least see the Model 2 in Yellowstone. Anyways, thanks in advance!

What's your route in between St. Mary and Billings? I've been down the entirety of I-90 in Montana siren hunting before, so if you're taking that (e.g. I-15 to Butte, then east) I can give you a decent idea of what's around.

I would assume we're just taking whichever route comes up when you search directions in Google Maps. That's usually what we take.