Mammoth Lakes Summer Guide: Weather, Travel & Tips

Planning a summer trip to Mammoth Lakes? This seasonal guide brings together everything you need—from weather and road conditions to transportation, wildfire updates, and travel tips—to help you plan with confidence.

Below, we provide direct resources for wildfire prevention, fire restrictions, weather forecasts, road conditions, expert travel tips, and live webcams to help you plan. From temperature shifts to spring storms and fall chills, we've gathered everything you need to stay informed and make smart decisions throughout the season.

Weather Forecasts

Webcams

Local Transportation

Smoke & Visibility Updates

Wildfire Prevention Resources

Responsible Recreation

Travel Info

Altitude Tips

National Weather Service

Forecasts

Weather can change quickly, making it essential to stay updated on the forecast. Thunderstorms can develop fast, turning a calm day into dangerous conditions in minutes. Regularly checking the forecast helps you stay ahead of severe weather and seek shelter if needed.

Temperatures can also vary significantly with elevation. It might be hot in Long Valley, but higher altitudes can bring cooler or even chilly weather. Knowing these variations lets you plan your activities, dress accordingly, and avoid risks like heat exhaustion. Click any of the locations listed below for their current forecast:

Crowley Lake (~7,000')

Reds Meadow (~7,500')

Town of Mammoth Lakes (7,881')

Mammoth Lakes Basin (~8,900')

Mammoth Mountain Main Lodge (9,000')

Current Visibility & Webcams

Webcams

To see current visibility conditions in Mono County, be sure to check the webcams below. During the summer and fall, our region can be impacted by wildfires, and smoke levels can change rapidly, sometimes even within the hour. Factors like wind and weather conditions can greatly affect visibility, so checking the webcams regularly will help you stay informed and plan your activities accordingly.

Mammoth Lakes, CA

Main Street (Looking west towards Mammoth Mountain)

Mammoth Mountain

Mammoth Yosemite Airport

Convict Lake

Crowley Lake

June Lake, CA

Silver Lake (Silver Lake Resort)

June Mountain

Town of June Lake (Balanced Rock Saloon)

Lee Vining, CA & Mono Lake

Lee Vining (Murphy's Motel)

Mono Lake, Mill Creek, and Lee Vining (Mono Lake Committee)

Mono Lake from Great Basin Unified Air Pollution Control District (please choose Mono East and/or Mono West and click "apply" to view cameras in Mono County)

Bridgeport, CA

Downtown Bridgeport (Fishin' Mission Foundation)

Twin Lakes (Twin Lakes Resort)

Other

Yosemite National Park (several locations)

Caltrans Highway Cams - Several cameras along US 395:

Alert California (Regional webcams across the state)

Getting Around Mammoth Lakes

Local Transportation

Make the most of your time in Mammoth Lakes with the trolley! Easily get around town, head to the Mammoth Lakes Basin for breathtaking views, or visit Reds Meadow for stunning hikes and waterfalls. The trolley offers a convenient, eco-friendly way to explore the best outdoor destinations without the hassle of parking.

FREE Transportation

Paid Transportation

YARTS provides safe, comfortable and convenient public transit into Yosemite National Park during the summer months. The bus runs from June or July through September when Tioga Pass (Hwy. 120) is open. Weekend service is available in June and September, with daily trips coming to and from Yosemite National Park throughout July and August. Check the schedule for specific pick-up locations and times.

View more info for getting around

Smoke & Air Quality Updates

Mammoth Lakes can experience smoke from wildfires in surrounding areas, even when there isn’t a fire nearby. Conditions can shift quickly with changes in wind and weather, causing visibility and air quality to vary throughout the day. Stay informed about current smoke levels to help you plan the your stay, whether that’s heading out for a hike, exploring town, or enjoying indoor options until the skies clear. Below, you’ll find resources to check current air quality and stay updated on fires.

Resources

Current Air Quality: Check real-time AQI conditions through Great Basin Unified Air Pollution Control District (GBUAPCD) or AirNow.gov AQI.
Live Visibility: Use webcams to check current visibility. These webcams are particularly valuable when smoke persists, helping you decide whether it’s safe to go outdoors or best to stay indoors.
Active Fires: Wildfires can occur throughout California and surrounding areas, sometimes affecting air quality in Mammoth Lakes. Stay aware of nearby incidents by checking CalFire Incidents or Watch Duty.