Stay Safe and Your Glen Canyon Trip Will Be GreatWeatherThe weather in Glen Canyon National Recreation Area is usually typical for the high deserts. Summers are extremely hot with little, if any, shade. Winters are moderately cold with night time lows often below freezing. Spring weather is highly variable and unpredictable with extended periods of winds. Fall weather is usually nice and mild, a great time to beat the heat. Temperatures can range from 110° F (38°C) in June & July to 0° F (-16°C) in December & January. Precipitation is generally light (less than 6 inches [15.2cm] annually) though heavy rains and flash flooding is possible during the summer and fall "monsoons." Glen Canyon's backcountry varies a great deal in elevation, terrain, and water availablity. All of these are influenced by the weather. We recommend lightweight, light colored clothing for summer, including a hat. Layers of clothing are best for other times of the year. Check out the Desert Safety tab below for more information on how to stay cool in the hot desert. WindBe prepared for the spring high winds! Always check the forecast online or your favorive weather app before you head on an outdoor adventure.There may be 35-55mph gusts! If you are driving and aren't near a sturdy building, hold the steering wheel with both hands and slow down. Drive with the crosswinds in mind on your way to or from Glen Canyon, keep a distance from high profile vehicles such as trucks, buses and vehicles towing trailers. One strong gust of wind can be enough to flip one of these trailers onto its side. Tie down loose gear and bring in your wheelie bins. If you are out on the lake, stay at camp until the wind or storm is over. If you are alredy out on the water, stay calm. Try not to rock your boat any more than the wind is already doing. If you can get to a side canyon with not as much wind blowing through, try to. Help may not be available, rangers on boats or helicopters can't travel until the wind is over either. Flash FloodsBe flash flood aware:
LightningDesert thunderstorms carry the double threat of flash floods and lightning. They occur most often during the monsoons in summer. Be wary of nearby storms. The same warnings about high winds on the water apply to lightning. Lightning can be attracted to water, so try to get your boat to safety. Rangers cannot travel until the storm is over. The desert can be a harsh and unforgiving environment, especially if you are not accustomed to it. Drink Plenty of WaterDrink plenty of water, even when you are not thirsty, your body can lose large amounts of water without you realizing it. Be aware of balancing fluid and electrolyte levels. Have with you at least 1 gallon (4 L) of drinking water per person, per day. Take It Easy In The Hot Summer DaysDress for summer. Wear lightweight, loose fitting, light-colored clothing to reflect heat and sunlight. Minimize direct exposure to the sun. Sunburn reduces your body's ability to dissipate heat. Know the signs of heat exhaustion and heat stroke. Watch for Signs of TroubleIf you feel dizzy, nauseous, or a headache, get out of the sun immediately and drink water or sports drinks. Dampen clothing to lower body temperature. Be alert for symptoms in others.
Travel Prepared to SurviveCheck road conditions before you leave AND at the nearest ranger station/visitor center if you take an unpaved road. Do not trust your vehicle or cell phone's GPS to take you on a road your vehicle is able to drive on. Carry extra drinking water in your car in case of emergency. If your car breaks down, stay with it until help comes. Backcountry TravelAvoid hiking in the heat. Hikers and backpackers need to be self-reliant and well prepared. Always plan, carry detailed maps and let someone know your plans. Stay aware of your surroundings when you are on the water. Be aware of wakes and waves that bounce back and forth between canyon walls. Slow down when passing boats. Look at the size of the wake, not the size of the boat. Depending on hull design, even relatively smaller boats can produce serious wakes. Approach large wakes at a 45-degree angle. Before going out on the water, check weather forecasts and look for storm warning flags at marinas. If a storm breaks while you are out, seek shelter in a protected cove immediately and wait until the storm passes. Lightning is also a hazard on open water. Bow riding (sitting on the top front part of the boat) is illegal unless the boat is designed for people to ride in the bow section (the bow section will have seats). All boaters must know and follow applicable state & federal boating requirements, as well as carry all required equipment on their vessels. Copies of this information are available at visitor centers. Please check our Boating page for more information or visit the U.S. Coast Guard's Boating Safety Resource Center. Additional information is available from the states of Arizona and Utah. On the Colorado River
On Lake Powell
Always
Fire SafetyAll wood-burning and charcoal fire use and setting, building, maintaining, attending or using open fire of any kind must stay in designated firepits and grills at campgrounds and below the high water mark on the shores of Lake Powell. Do not leave trash in fire rings. Devices fueled by petroleum or LPG products are allowed in all locations. Check for fire restrictions in effect due to high fire danger conditions. Such restrictions are a regular part of hot, dry summer months, but can occur any time of year. LifejacketsPersonal flotation devices, or lifejackets, save lives. Since Lake Powell was created, over 150 people not wearing lifejackets have drowned. Boaters are required to carry a lifejacket of proper size for every passenger in the boat. Children 12 years of age and younger must wear a Type I, II, or III U. S. Coast Guard approved lifejacket when the boat is underway. It is recommended that children always wear a lifejacket when they are around water, even if they are not on a boat. People on personal watercraft must wear a lifejacket regardless of their age, as must anybody being towed by a boat (skiing, tubing, etc), and anyone using paddlecraft on the Colorado River. SwimmersThere are no lifeguards or designated swim beaches. Swim at Your Own Risk. Do Not Swim at MarinasDon't swim in marinas. Boat traffic and propeller strikes can maim or kill. Electrical faults from vessels or docks can electrocute swimmers. Lake Powell Recreational Water AdvisoryAnytime that you do recreational activities (swimming, water skiing, making sand castles, etc.) on the beaches or in the waters of Lake Powell you are strongly encouraged to follow basic hygiene practices:
Get updates and read more about Lake Powell Recreational Water Advisory. How to Recognize Possible QuicksandWet, loose, or unusually smooth ground Unexpected water seepage or pooling Shifting, rippling, or vibrating soil Dry-looking surfaces that feel soft or spongy Depressions or saturated low spots Fine sediment mixed with water General, Evidence‑Based Steps for Safely Escaping From QuicksandStay calm and avoid sudden movements Lean back to spread out body weight Slowly work legs upward Create space around the legs Use slow, controlled movements to move toward firmer ground If available, use a sturdy object for leverage Call for assistance if escape is difficult The National Park Service continues to stress the dangers of carbon monoxide (CO) and boats. This odorless, tasteless gas can kill you. The gas replaces the oxygen in your lungs and if you do not receive oxygen soon, the damage may be fatal.
Learn more about the signs, symptoms, and prevention of CO poisoning. Sadly, there have been multiple deaths in Lake Powell due to cliff jumping. Realize if you leap from 50 feet up, you could be going almost 40 miles per hour when you hit the water. The higher the jump off spot, the faster the velocity upon impact. It is prohibited for any person to jump or dive off of rock cliffs, ledges, or man-made structures (excluding vessels) 15 feet or higher. The National Park Service does not advocate or promote the activity of cliff jumping or diving regardless of the height from the water surface. For the purpose of this restriction cliff, ledge, or man-made structure is defined to mean any formation of rock or soil, or structure, or combination thereof (excluding vessels). Desert creatures of all sizes can hurt you if you are not careful. Please be aware of biting and stinging animals, arachnids, and insects. A few venomous animals live in the park, including rattlesnakes, scorpions, and black widow spiders. While a scorpion sting is likely to be mild (like a strong bee sting), anyone bitten by a black widow spider or rattlesnake should seek medical attention as soon as possible. It is illegal to feed animals in the park. Providing wild animals food may have a negative impact. Wildlife need only the natural habitat elements - food, water, and shelter - provided by their environment. Animals used to humans may become aggerssive, especially if they have rabies. Seek medical attention if you are bit by a critter. Hantavirus pulmonary syndrome is a potentially deadly disease spread by infected wild rodents, especially mice. People become infected when the virus becomes airborne—when dust is stirred up or nests are disturbed, especially in confined spaces. Recently, cases of this respiratory disease have been confirmed on the nearby Navajo Nation. Learn more about how to protect yourself from Hantavirus.
Come and capture your adventure in the park. Check out these quick tips on how to avoid photography-related hazards when visiting our national parks.
Launching, landing, or operating an uncrewed aircraft from or on lands and waters administered by the National Park Service within the boundaries of Glen Canyon National Recreation Area and Rainbow Bridge Monument is prohibited except as approved in writing by the superintendent. TITLE 36 CODE OF FEDERAL REGULATIONS Read more about uncrewed aircraft in the national parks.
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Last updated: April 22, 2026