Soooo....at what altitude do these things fly? And, how weather impacted are they? (I ask as I sit here looking out the window at pouring rain in Oregon.)
Consider military video you may have seen from Iraq/Afghanistan where some bad guys are running across a road to plant an IED or some such thing.
Weather likely isn’t an impediment. These drones use both line of sight, infrared, and likely even thermal cameras, so trying to duck one or hoping that inclement weather puts a damper on their spying is just a pipe dream.
Depends on the drone. Some fly very high and can see through the cloud cover. Others can only fly in calm weather at low altitudes.