How Backpackers Can Manage the Risks of Fire Season

For the past month, I’ve been watching the Ferguson Fire, a 100,000-acre blaze on the western outskirts of Yosemite National Park, to assess and predict its effects on my planned backpacking trip there next week. I had to change my destination airport (to Reno instead of Fresno), and I’m expecting some smoke, but fortunately the fire has been brought under control.

Other backpackers this summer have been less lucky and had to endure thick smoke or reschedule, relocate, or cancel their trips. Notable closures (full and partial) have been ordered in Colorado’s San Juan National Forest, New Mexico’s Philmont Scout Ranch, Glacier National Park, and Grand Canyon.

Wildfires and smoke are a fact of life, and increasingly frequent in the semiarid West. Here are some strategies and resources to better manage these factors and increase your odds for unimpeded dry-season fun.


How can backpackers best manage the risk of wildfires and smoke?

1. Schedule Purposefully

After a winter with normal precipitation, July seems to be the most reliable month for backpacking. The snowpack has just melted, and peak summertime temperatures have not yet dried everything out. Unfortunately, July also coincides with peak mosquito season (view my recommended clothing system).

August and September are higher-risk months for fires. Hopefully, just before your trip, an active monsoon pattern or an early winter storm will suppress fire activity or blow out lingering smoke.

Drier winters make scheduling harder. July becomes a higher risk for fire activity, and bad conditions in August and September are almost inevitable. And June does not necessarily become the preferred month: Lower elevations can be scorched by long days and high temperatures, and higher elevations may not yet be melted out.

2. Have a Plan B

If your planned trip becomes impractical (due to, for example, thick smoke on the John Muir Trail), do you have a backup plan? Yes, you will need to plan two different trips. That means two permits, two map sets, and two travel plans, but the extra effort may prove worthwhile.

3. Have Flexible Reservations or Travel Insurance

It can be difficult to cancel flights, car rentals, and motel rooms without being charged fees or losing your deposits. When booking travel, try to maintain flexibility (if possible, fly Southwest Airlines, which makes it cheap to change a flight, or buy a fully refundable fare) so that you’re not financially committed to a plan. Or buy travel insurance so you can recoup any losses.

Smoke-obscured views in Glacier National Park (Andrew Skurka)


Here are a few places you can find current information about wildfires and smoke across the United States.


InciWeb is an interagency all-risk incident information management system and the best starting point for wildfire-related information. Landing pages are created for each incident (for example, the Ferguson Fire) and are updated regularly with new developments. Land managers may post fire-related information on their websites, too, but even they use InciWeb as the definitive resource.

InciWeb is a multi-agency aggregator of wildfire-related information. (Andrew Skurka)

Wildfire Agencies

Most of the information on InciWeb is retrieved from the regional wildfire agencies, like the Rocky Mountain Area Coordination Center. In addition to incident information, these agencies are responsible for issuing fire restrictions, fire potential outlooks, and other materials.

Wildland Fire Air Quality Response Program

WFAQRP is also an interagency platform and focuses specifically on smoke. Forecast outlooks are issued in areas where wildfire smoke may be of concern.

Screenshot from WFAQRP for the Yosemite Area. (Andrew Skurka)

If a smoke outlook from WFAQRP for your area of interest is not available, you may be able to find information from other organizations. For example, the Colorado Department of Health and Environment has issued smoke advisories for the Front Range this summer.

NASA Worldview

In this app, you can browse more than 600 global satellite imagery layers, which are usually updated within three hours of observation. Given current technology, this is as close to knowing what Earth looks like at the moment. For our purposes, it’s useful for determining smoke coverage and trends.

Screenshot from NASA Worldview, showing smoke from the Ferguson (south) and Donnell (north) fires, plus lingering smoke in the Central Valley. (Andrew Skurka)


This technology is laughably stuck in the 1990s but remains remarkably useful for on-the-ground observation. Rangers and online trip reports can be helpful, too, but webcams contain more real-time information. I don’t believe there’s a consolidated list of webcams, so Google is your best bet.

The views of Crater Lake are currently badly obscured by smoke, due to wildfires within and just outside the park. (Andrew Skurka)

NWS and CalTopo

In a recent backcountry weather forecasting tutorial, I wrote about my favorite tools from the National Weather Service, so I won’t repeat that information here, but I will highlight one tool that received only cursory mention. CalTopo can retrieve NWS point forecasts (for temperatures, precip, and wind), as well as fire data, to create an insightful map for short-term behavior of wildfires and smoke.

Screenshot from CalTopo, which can retrieve weather- and fire-related information from other sources. The current wind forecast suggests that smoke from the Ferguson Fire will continue to impact the upper Merced watershed and Tuolumne Meadows. (Andrew Skurka)

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