Snake River canyon near Twin Falls, Idaho, 1991.. Image by Lankyrider via Wikimedia Commons, CC BY-SA 4.0.
Today’s Forecast:
🌫
86°F
Current Temperature
Haze
⚠️
Air Quality Alert
Air Quality Alert issued July 27 at 12:38PM MDT by NWS Boise ID (Expires: July 29, 2026 2:00 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...Camas, Gooding, Jerome, and Twin Falls Counties.
* WHEN...UNTIL 1 PM MDT WEDNESDAY.
* IMPACTS...Health warnings of emergency conditions. The entire
population is more likely to be affected.
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
Twin Falls Regional Office at (208) 736-2190
⚠️
Air Quality Alert
Air Quality Alert issued July 27 at 10:32AM MDT by NWS Boise ID (Expires: July 29, 2026 2:00 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...Camas, Gooding, Jerome, and Twin Falls Counties.
* WHEN...UNTIL 1 PM MDT WEDNESDAY.
* 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
Twin Falls Regional Office at (208) 736-2190
⚠️
Air Quality Alert
Air Quality Alert issued July 27 at 9:10AM MDT by NWS Boise ID (Expires: July 29, 2026 2:00 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...Camas, Gooding, Jerome, and Twin Falls Counties.
* WHEN...UNTIL 1 PM MDT WEDNESDAY.
* 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
Twin Falls Regional Office at (208) 736-2190
This Afternoon:Smoke. Sunny, with a high near 95. Northwest wind around 9 mph.
Tonight:Smoke. Mostly clear, with a low around 64. West wind 6 to 10 mph.
Tuesday:Smoke. Sunny, with a high near 96. West northwest wind 3 to 8 mph.
Today’s Report:
Not Recommended for biking. High near 94°F. Low rain risk (1%). Light wind (10 mph). Smoke or haze in forecast. Temperatures outside comfort limits (94°F).
-
Temp: Unfavorable weather factor
-
Rain: Favorable conditions
-
Wind: Favorable conditions
-
Smoke: Marginal weather factor
-
Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended
12/100
Not Recommended for biking. High near 95°F. Low rain risk (3%). Light wind (9 mph). Hot temperatures (high near 95°F). Smoke or haze in forecast. Temperatures outside comfort limits (95°F).
Not Recommended for hiking. High near 94°F. Low rain risk (1%). Light wind (10 mph). Smoke or haze in forecast. Temperatures outside comfort limits (94°F).
-
Temp: Unfavorable weather factor
-
Rain: Favorable conditions
-
Wind: Favorable conditions
-
Smoke: Marginal weather factor
-
Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended
12/100
Not Recommended for hiking. High near 95°F. Low rain risk (3%). Light wind (9 mph). Hot temperatures (high near 95°F). Smoke or haze in forecast. Temperatures outside comfort limits (95°F).
Not Recommended for outdoor events / activities. High near 94°F. Low rain risk (1%). Light wind (10 mph). Smoke or haze in forecast. Temperatures outside comfort limits (94°F).
-
Temp: Unfavorable weather factor
-
Rain: Favorable conditions
-
Wind: Favorable conditions
-
Smoke: Marginal weather factor
-
Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended
12/100
Not Recommended for outdoor events / activities. High near 95°F. Low rain risk (3%). Light wind (9 mph). Hot temperatures (high near 95°F). Smoke or haze in forecast. Temperatures outside comfort limits (95°F).
About Twin Falls, ID
Twin Falls & Snake River Canyon is an Idaho destination for a major canyon-rim trail and urban outdoor corridor distinct from the falls.
Make the Most of a Twin Falls & Snake River Canyon 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 Twin Falls & Snake River Canyon
- Check official access notices, alerts, road or trail conditions, fire restrictions, and local forecasts before leaving.
- Turn around before exposed ridges, canyon rims, dunes, or open ground become unsafe in lightning, heat, smoke, wind, or poor visibility.
- 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:
- Perrine Bridge
- Canyon Rim Trail
- Centennial Waterfront Park
- Pillar Falls
- Dierkes Lake
Plan Around the Conditions
Choose the safest version of a Twin Falls & Snake River Canyon day by matching the activity to current wind, precipitation, temperature, smoke, water or snow conditions, access, and daylight.
7-Day Forecast for Twin Falls & Snake River Canyon
Weather by Season
Winter
Winter at Twin Falls & Snake River Canyon 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 51–55°F, using the relevant local and elevation context.
- Annual snowfall: usually 10–20 inches, with cold windy periods but frequent winter melt.
- 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.
