Frank Church–River of No Return Wilderness

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A trail bridge in the Frank Church-River of No Return Wilderness
A trail bridge in the Frank Church-River of No Return Wilderness. Image by Rex Parker via Wikimedia Commons, CC BY 2.0.

Today’s Forecast:

☀
84°F
Current Temperature
Clear
Station: KMYL
Observed at: 4:00 pm
Wind: 13 mph | Humidity: %
⚠️
Red Flag Warning
Red Flag Warning issued July 26 at 10:58AM MDT until July 27 at 9:00PM MDT by NWS Pocatello ID (Expires: July 27, 2026 10:00 pm)
Show Alert Details & Instructions
Description: ...Increasing wind over the Salmon-Challis Monday... .High pressure over central Idaho will continue, but wind aloft will increase over this area and bring stronger wind to locations that already have low afternoon and early evening humidity. The wind is not expected to last into Tuesday. The National Weather Service in Pocatello has issued a Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 9 PM MDT Monday. * AFFECTED AREA...Fire Weather Zone 475 East Salmon River Mountains/Salmon NF and Fire Weather Zone 476 Lemhi and Lost River Range/Challis NF. For Fire Weather Zone 475, the risk is mainly a line from Skull Gulch RAWS to Ezra Creek RAWS to the south. For Fire Weather Zone 476, the risk is mainly on mid- slopes and ridges that are exposed to the stronger wind. * WINDS...Southwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 13 percent. * IMPACTS...Moderate wind and very low humidity can lead to rapid spread of fire and more intense fire in receptive fuels. Instructions: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly based on these criteria for Southeastern Idaho: - Relative humidity at or below 15 percent and wind gusts of at least 25 mph in the mountains, or 30 mph in the Snake Plain.
⚠️
Air Quality Alert
Air Quality Alert issued July 26 at 10:29AM MDT by NWS Boise ID (Expires: July 27, 2026 1:00 pm)
Show Alert Details & Instructions
Description: * WHAT...Air Quality Advisory because of degraded air quality due to wildfire smoke. Air Quality Index is forecast to be Unhealthy. * WHERE...Ada, Adams, Boise, Canyon, Elmore, Gem, Owyhee, Payette, Valley, and Washington Counties. * WHEN...UNTIL 2 PM MDT TUESDAY. * IMPACTS...Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects. Instructions: Air pollutants can cause breathing difficulties for children, the elderly, as well as persons with respiratory problems. Those individuals who are sensitive to increased particulate matter or smoke are encouraged to avoid prolonged or strenuous outdoor activity during this advisory. Open burning is prohibited by air quality rule. It is also recommended that all other individuals limit prolonged or strenuous activity outdoors. THIS STATEMENT IS ISSUED BY THE IDAHO DEPARTMENT OF ENVIRONMENTAL QUALITY, AIR QUALITY GROUP FOR MORE INFORMATION, CONTACT DEQ's Boise Regional Office at (208) 373-0550
This Afternoon:Smoke. Sunny, with a high near 82. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Tonight:Smoke. Mostly clear, with a low around 54. West southwest wind 3 to 16 mph, with gusts as high as 25 mph.
Monday:Smoke. Sunny, with a high near 81. South southwest wind 2 to 16 mph, with gusts as high as 26 mph.

Today’s Report:

🥾 Hiking

Use Caution
  46 /100

Use Caution for hiking. High near 82°F. Low rain risk (2%). Light wind (17 mph). Smoke or haze in forecast.

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Smoke: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 47/100
Use Caution for hiking. High near 81°F. Light wind (16 mph). Smoke or haze in forecast.

⛺ Camping

Use Caution
  46 /100

Use Caution for camping. High near 82°F. Low rain risk (2%). Breezy winds (17 mph). Smoke or haze in forecast.

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Smoke: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 47/100
Use Caution for camping. High near 81°F. Breezy winds (16 mph). Smoke or haze in forecast.

🛶 Paddling

Use Caution
  44 /100

Use Caution for paddling. High near 82°F. Low rain risk (2%). Breezy winds (17 mph). Smoke or haze in forecast.

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Smoke: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 45/100
Use Caution for paddling. High near 81°F. Breezy winds (16 mph). Smoke or haze in forecast.

About Frank Church–River of No Return Wilderness

Frank Church–River of No Return Wilderness is an Idaho destination for a vast wilderness with remote trails, river access, camps, and limited services.

Make the Most of a Frank Church Day

Match the route, launch, facility, or turnaround time to wind, precipitation, temperature, smoke, water, snow, road access, and daylight. Keep a shorter or more sheltered backup ready.

Weather Tips for Frank Church–River of No Return Wilderness

  • Check official access notices, alerts, road or trail conditions, fire restrictions, and local forecasts before leaving.
  • Check river flow, reservoir wind, cold-water conditions, waves, lightning, and verified local ice reports before water plans; no forecast alone proves that ice is safe.
  • Carry layers, water, navigation, sun protection, and seasonal traction or flotation appropriate to the activity.
  • Allow extra time for remote roads, mountain passes, wildfire smoke, spring runoff, and limited winter daylight.

Nearby Towns and Areas

This page can also be useful when planning outdoor time near:

  • Big Creek
  • Chamberlain Basin
  • Bighorn Crags
  • Salmon River
  • Yellow Pine

Plan Around the Conditions

Choose the safest version of a Frank Church–River of No Return Wilderness day by matching the activity to current wind, precipitation, temperature, smoke, water or snow conditions, access, and daylight.

7-Day Forecast for Frank Church, ID

☀
84°F
Current Temperature
Clear
Station: KMYL
Observed at: 4:00 pm
Wind: 13 mph | Humidity: %
Sun 🌫
82° 54°
2%
Mon 🌫
81° 53°
0%
Tue 🌫
83° 54°
0%
Wed 🌫
82° 56°
2%
Thu ☀
84° 58°
0%
Fri ☀
85° 58°
0%
Sat ☀
85° 55°
0%

7-Day High Temperature Trend

82° Sun 81° Mon 83° Tue 82° Wed 84° Thu 85° Fri 85° Sat

7-Day Low Temperature Trend

54° Sun 53° Mon 54° Tue 56° Wed 58° Thu 58° Fri 55° Sat

📊 7-Day Outdoor Outlook

Good Fair Poor 12 Sun 12 Mon 12 Tue 12 Wed 20 Thu 20 Fri 20 Sat
Forecast data from the National Weather Service  |  Last Updated: July 26, 2026 4:32 pm CDT

Weather by Season

Winter

Winter at Frank Church–River of No Return Wilderness can bring snow, ice, wind, short daylight, and rapidly changing road or trail access.

Spring

Spring brings freeze-thaw mud, snowmelt, high rivers, cold water, and lingering mountain snow. Lower routes usually open well before high passes and backcountry trailheads.

Summer

Summer usually offers the broadest access, but dry heat, thunderstorms, lightning, wildfire smoke, fire restrictions, reservoir wind, and cold mountain water can alter plans.

Fall

Fall brings cooler air, shorter daylight, hunting-season awareness, and early snow at elevation. Confirm seasonal services and allow extra travel time on remote roads.

Key Climate Data Points

  • Annual average temperature: around 39–46°F, using the relevant local and elevation context.
  • Annual snowfall: commonly 50–110 inches, increasing sharply with elevation.
  • Warmest months: July and August are normally warmest.
  • Coolest months: December and January are typically coolest.
  • Wettest season: winter and spring usually provide the greatest mountain precipitation, with local variation.
  • Driest season: midsummer is generally driest, despite isolated thunderstorms.
  • Best outdoor window: June through October for warm-season access, with midwinter best at established winter destinations.