Wet conditions can lead to the aforementioned electrical hazards, and heavy winds can cause significant damage to your equipment. If practical, you should turn off the generator and wait for the weather to pass before operating it again. . And be sure to keep kids and pets far away from generators. “Turn off your home's main power source before turning on your generator,” says Micetich. ” Never use a generator indoors!. Wind protection: If blowing or drifting snow is a concern due to prevailing winds, consider installing a windbreak at a safe distance to shield the unit. If you will be away: If you expect to be away during potential snowstorms, arrange for a trusted neighbor or family member to monitor the. . While keeping generators running is generally preferred, specific situations may justify shutdown during severe thunderstorms: If you can hear thunder, you're close enough to be struck by lightning. Fuel spilt on hot engine parts could ignite.