Download-weather-bot-v1-v105-univ-64bit-os150-ok15-user-hidden-bfi2-ipa -

Great if you want to keep the app active without a computer, though it requires a bit more setup.

Since this specific file string looks like it belongs to a jailbreak or legacy app community (often associated with the "BFI" or "MTM" archival projects), your best bet is to check repositories that specialize in "undumped" or archived IPAs. Great if you want to keep the app

Once you find the .ipa file, you cannot simply "download and run" it on an iPhone like a computer program. You will need a sideloading utility: Great if you want to keep the app

Are you planning to install this on a device or a stock iOS 15.0 phone? Great if you want to keep the app