Uinta Mountains & Mirror Lake Scenic Byway, UT

Today’s Forecast:

Today’s Report:

About Uinta Mountains & Mirror Lake Scenic Byway

A useful forecast for Uinta Mountains & Mirror Lake Scenic Byway needs to account for terrain and access, not just the nearest town’s temperature. Conditions may differ between Kamas and Hayden Pass, so use the forecast for the exact part of the destination you plan to visit.

Planning an Outing at Uinta Mountains & Mirror Lake Scenic Byway

Build extra water, daylight, fuel, and travel time into remote plans, especially when storms, smoke, snow, or wind could slow the return. For this page, the main planning focus is hiking, camping, fishing; verify the approach toward Samak rather than assuming the entire region is operating normally.

Weather Tips for Uinta Mountains & Mirror Lake Scenic Byway

• Treat cold water, algae or water-quality notices, seasonal ice, and remote shoreline access as separate checks from the air forecast.
• 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.
• At Uinta Mountains & Mirror Lake Scenic Byway, 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:

• Kamas
• Samak
• Bald Mountain Pass
• Mirror Lake
• Trial Lake
• Provo River headwaters
• Hayden Pass

Adjust the Day to the Forecast

A lower, earlier, calmer, or more sheltered alternative can preserve the outing without forcing the original itinerary.

7-Day Forecast for Uinta Mountains & Mirror Lake Scenic Byway

Uinta Mountains & Mirror Lake Scenic Byway 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 Kamas, 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 Samak, 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 Bald Mountain Pass, 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 Mirror Lake, 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.