Twin Falls & Snake River Canyon, ID

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Snake River canyon near Twin Falls, Idaho, 1991.
Snake River canyon near Twin Falls, Idaho, 1991.. Image by Lankyrider via Wikimedia Commons, CC BY-SA 4.0.

Today’s Forecast:

☀
48°F
High: 54° | Low: 35°
Current Temperature
Clear
Station: KTWF
Observed at: 7:35 pm CST on 11/12/26
Wind: 0 mph | Humidity: %
Tonight:Mostly cloudy, with a low around 35. East southeast wind around 9 mph.
Friday:Partly sunny. High near 65, with temperatures falling to around 61 in the afternoon. Southeast wind 8 to 16 mph, with gusts as high as 26 mph.
Friday Night:Rain showers after midnight. Cloudy, with a low around 42. South southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
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Today’s Report:

🚲 Biking

Excellent
  95 /100

Excellent for biking. High near 65°F. Low rain risk (6%). Breezy winds (16 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 44/100
Use Caution for biking. High near 52°F. Low rain risk (23%). Breezy winds (18 mph).

🥾 Hiking

Excellent
  100 /100

Excellent for hiking. High near 65°F. Low rain risk (6%). Light wind (16 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 90/100
Excellent for hiking. High near 52°F. Low rain risk (23%). Light wind (18 mph).

🎪 Outdoor Events / Activities

Excellent
  95 /100

Excellent for outdoor events / activities. High near 65°F. Low rain risk (6%). Breezy winds (16 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Use Caution 41/100
Use Caution for outdoor events / activities. High near 52°F. Risk of rain (23%). Breezy winds (18 mph).

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

☀
48°F
High: 54° | Low: 35°
Current Temperature
Clear
Station: KTWF
Observed at: 7:35 pm CST on 11/12/26
Wind: 0 mph | Humidity: %
Fri ⛅
65° 42°
6%
Sat 🌧
52° 32°
23%
Sun ⛅
57° 36°
0%
Mon 🌧
52° 34°
46%
Tue 🌧
46° 31°
45%
Wed 🌧
49° 32°
35%
Thu ❄
46° --°
42%

7-Day High Temperature Trend

65° Fri 52° Sat 57° Sun 52° Mon 46° Tue 49° Wed 46° Thu

7-Day Low Temperature Trend

42° Fri 32° Sat 36° Sun 34° Mon 31° Tue 32° Wed 50° Thu

📊 7-Day Outdoor Outlook

Good Fair Poor 100 Fri 80 Sat 100 Sun 75 Mon 19 Tue 19 Wed 19 Thu
Forecast data from the National Weather Service  |  Last Updated: November 12, 2026 8:55 pm CST

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.