Mount Timpanogos & American Fork Canyon, UT

Today’s Forecast:

Today’s Report:

About Mount Timpanogos & American Fork Canyon

Outdoor plans at Mount Timpanogos & American Fork Canyon work best when timing follows the destination’s wind, precipitation, temperature, and seasonal access. Conditions may differ between Alpine and Timpanogos Cave, so use the forecast for the exact part of the destination you plan to visit.

Planning an Outing at Mount Timpanogos & American Fork Canyon

Choose the activity window with the best combination of safe access, manageable wind, comfortable temperatures, and enough daylight. For this page, the main planning focus is hiking, camping, fishing; verify the approach toward Cedar Hills rather than assuming the entire region is operating normally.

Weather Tips for Mount Timpanogos & American Fork Canyon

• Carry a land-based alternative when ramps, ice, lightning, smoke, or rough water make the original plan unsuitable.
• Check water temperature, wind, waves, launch or marina status, and current water level before committing to open water.
• Afternoon gusts and thunderstorms can erase a calm small-craft window quickly; an early launch usually preserves more options.
• At Mount Timpanogos & American Fork Canyon, verify the specific ramp, marina, shoreline, river reach, or ice condition needed for the selected activity.

Nearby Towns and Areas

Use this forecast as practical context for outdoor plans near:

• Alpine
• Cedar Hills
• Pleasant Grove
• Tibble Fork Reservoir
• Silver Lake Flat
• Alpine Loop
• Timpanogos Cave

Adjust the Day to the Forecast

Shorten, relocate, or postpone the plan when observed conditions differ materially from the forecast.

7-Day Forecast for Mount Timpanogos & American Fork Canyon

Mount Timpanogos & American Fork Canyon Weather by Season

Winter

Snow, ice, wind, and road controls can restrict access for days at a time. Winter activities should follow current resort, trail, avalanche-control, and transportation notices. Around Alpine, confirm local roads and facilities before committing to the day.

Spring

Warm valleys can coexist with deep snow, mud, high streams, and closed upper roads. Expect a long transition before summer trail conditions arrive. Around Cedar Hills, confirm local roads and facilities before committing to the day.

Summer

The broadest access usually comes in summer, but alpine lightning, cold lakes, mosquitoes, smoke, and sudden wind reward early starts. Around Pleasant Grove, confirm local roads and facilities before committing to the day.

Fall

Clear air and cool trails often arrive in fall, followed quickly by hard freezes, shorter daylight, and the first lasting snow. Around Tibble Fork Reservoir, confirm local roads and facilities before committing to the day.

Key Climate Data Points

• Annual average temperature: roughly 38–48°F at high elevations; local elevation and aspect create substantial variation.
• Annual snowfall: substantial at elevation, varying sharply with slope and exposure.
• Warmest months: July is generally warmest, moderated strongly by elevation.
• Coolest months: December and January are usually coolest.
• Wettest season: Winter and early spring bring much of the mountain precipitation, while southern and eastern Utah also receive summer monsoon moisture.
• Driest season: Late spring into early summer is commonly driest before monsoon influence develops.
• Best outdoor window: Late spring through early fall when high roads are open, adjusted for storms and smoke.