Teton Valley & Grand Targhee, ID
Today’s Forecast:
Today’s Report:
Hiking
Excellent for hiking. High near 56°F. Low rain risk (1%). Light wind (8 mph).
- Temp: Favorable conditions
- Rain: Favorable conditions
- Wind: Favorable conditions
- Thunderstorm: Favorable conditions
Biking
Excellent for biking. High near 56°F. Low rain risk (1%). Light wind (8 mph).
- Temp: Marginal weather factor
- Rain: Favorable conditions
- Wind: Favorable conditions
- Thunderstorm: Favorable conditions
Outdoor Events / Activities
Good for outdoor events / activities. High near 56°F. Low rain risk (1%). Light wind (8 mph).
- Temp: Marginal weather factor
- Rain: Favorable conditions
- Wind: Favorable conditions
- Thunderstorm: Favorable conditions
About Teton Valley & Grand Targhee
Teton Valley & Grand Targhee is an Idaho destination for a mountain valley and major ski resort with extensive four-season recreation.
Make the Most of a Grand Targhee 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 Teton Valley & Grand Targhee
- 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:
- Driggs
- Victor
- Alta
- Teton Canyon
- Tetonia
- Teton Pass
Plan Around the Conditions
Choose the safest version of a Teton Valley & Grand Targhee day by matching the activity to current wind, precipitation, temperature, smoke, water or snow conditions, access, and daylight.
7-Day Forecast for Teton Valley & Grand Targhee, ID
Teton Valley & Grand Targhee Weather by Season
Winter
Winter at Teton Valley & Grand Targhee can bring snow, ice, wind, short daylight, and rapidly changing road or trail access. Confirm grooming, avalanche information, ice conditions, and facility operations for the listed winter activities.
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 34–42°F in nearby valleys and colder on the mountain, using the relevant local and elevation context.
- Annual snowfall: often 100–250+ inches at ski elevations, with wind and elevation creating major variation.
- 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.