Chiricahua National Monument

Thunderstorm wind is the standout hazard at Chiricahua National Monument, with 14 recorded events in the county, dwarfing every other weather threat on record. Those storms also triggered 5 flash flood events, making the combination of sudden high winds and fast-moving water the real danger during monsoon season in this canyon-heavy terrain. The monument's rocky spires and narrow drainages give storms very little warning time before conditions turn serious.

When severe thunderstorms roll in — typically mid-afternoon from July through September — get off the hiking trails and away from dry washes immediately, as those channels fill with rushing water faster than most visitors expect. Keep a NOAA weather radio app active and check it each morning before heading out, since cell coverage is unreliable here. Stake tent guylines to full tension each evening and store loose camp gear inside your vehicle before bed, because overnight thunderstorm wind can arrive with almost no lead time.