I-90 Webcams

Live Traffic Cameras, Road Conditions & Weather Along Interstate 90

Interstate 90 (I-90) is the longest Interstate Highway in the United States, stretching from the Pacific Northwest to the Atlantic Coast. The route crosses mountain passes, open prairie, river valleys, major cities, and lake-effect snow regions — making real-time road condition monitoring essential year-round.

This page automatically displays live I-90 webcams from our statewide traffic camera network, helping drivers view traffic flow, pavement conditions, and weather before traveling.

Where Does I-90 Run?

Interstate 90 runs from:

Seattle, Washington → Boston, Massachusetts

It travels through:

• Washington

• Idaho

• Montana

• Wyoming

• South Dakota

• Minnesota

• Wisconsin

• Illinois

• Indiana

• Ohio

• Pennsylvania

• New York

• Massachusetts

I-90 serves as a primary east–west freight and travel corridor across the northern United States.

Scenic & Notable Sections of I-90

🏔 Pacific Northwest & Northern Rockies

I-90 crosses:

• Snoqualmie Pass (WA)

• Lookout Pass (ID/MT border)

• Homestake Pass (MT)

These mountain passes frequently experience snow, ice, and rapidly changing weather.

🌾 Great Plains

Across:

• South Dakota

• Southern Minnesota

Drivers often encounter strong crosswinds, drifting snow, and long rural stretches.

🌊 Great Lakes Region

I-90 passes through:

• Chicago, IL

• Cleveland, OH

• Buffalo, NY

Lake-effect snow and urban traffic congestion are common in winter months.

🏙 Northeast Corridor

Approaching:

• Albany, NY

• Springfield, MA

• Boston, MA

Traffic volume increases significantly near metro areas.

Major Cities Along I-90

Travelers frequently monitor traffic near:

• Seattle, WA

• Spokane, WA

• Missoula, MT

• Billings, MT

• Rapid City, SD

• Sioux Falls, SD

• Chicago, IL

• Cleveland, OH

• Buffalo, NY

• Boston, MA

Each region presents unique seasonal driving challenges.

I-90 Road Conditions & Travel Tips

Winter Travel

• Mountain snow and chain requirements

• Blowing snow across prairie states

• Lake-effect snow near the Great Lakes

• Ice accumulation on bridges

Conditions can change rapidly, especially in mountain and open plains sections.

Spring & Severe Weather Season

• Thunderstorms across the Midwest

• High winds in open terrain

• Flash flooding in low-lying areas

Live webcams provide valuable real-time visual confirmation of road conditions.

Summer & Fall

• Construction zones in urban areas

• Heavy tourism traffic near national parks

• Increased freight traffic

Checking traffic cameras before departure helps drivers plan safely.

Why Use Live I-90 Webcams?

Live interstate cameras allow drivers to:

• Monitor mountain pass conditions

• Check pavement and visibility

• View traffic congestion

• Assess storm impacts

• Confirm construction activity

Seeing actual road conditions provides better decision-making before travel.

Frequently Asked Questions

Is I-90 open year-round?
Yes, though mountain passes may experience temporary closures during severe winter storms.

Does I-90 cross mountain passes?
Yes — particularly in Washington, Idaho, and Montana.

Is I-90 heavily traveled?
Yes. It is a major freight and commuter route serving multiple large metro areas.

About Interstate 90

Completed as part of the Interstate Highway System in the mid-20th century, I-90 is the longest Interstate in the United States. It connects the Pacific Ocean to the Atlantic Coast and serves as a vital transportation corridor for commerce, tourism, and daily travel across northern America.

Use the webcams below to stay informed and travel safely along Interstate 90.