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Interstate 84 from Portland to Echo, Utah
I-84 Road Conditions in Oregon, Idaho & Utah
There are two Interstate 84s. This is the western one — 770 miles from Portland, Oregon through Boise to Echo, Utah. Looking for I-84 in Connecticut, New York or Pennsylvania? That's the eastern I-84.
Radar, DOT cameras and live pavement conditions along I-84 from Oregon to Utah — plus closures, road work and the drive broken down into 3 state-by-state stretches.
Updated Sep 15, 2026 2:39 AM UTC · 3 states · Mostly dry
Lowest 59°F near Boise, Idaho · Highest wind 17 mph near Portland, Oregon
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Interstate 84 runs 770 miles from Portland, Oregon, to a junction with I-80 near Echo, Utah. It follows the Columbia River Gorge east from Portland, climbs Cabbage Hill into the Blue Mountains past Pendleton, crosses southern Idaho end to end through Boise and Twin Falls, and enters Utah near Snowville, running with I-15 through Ogden before turning east up Weber Canyon to meet I-80 at Echo. Oregon holds the longest stretch, 376 miles.
- Road system: Interstate Highway System
- Year of construction: 1957
- Length: 770 miles
Weather data from Sep 15, 2026 2:39 AM UTC
59°F
73°F
17 mph
29.76-30.12 inHg
Current I-84 Conditions by State
Measured state by state, I-84 runs 771 miles west to east from Portland, Oregon to Echo, Utah, crossing 3 states. Its longest stretch is 376 miles across Oregon; its shortest is 120 miles in Utah.
| State | Miles | Share | Cities and mile markers |
|---|---|---|---|
| Oregon | 376 | 49% | Portland 0 |
| Idaho | 275 | 36% | Boise 53 · Twin Falls 174 |
| Utah | 120 | 16% | Ogden 79 · Salt Lake City 104 (23 mi off) |
It climbs Cabbage Hill at 3,615 ft, where the weather at the summit is not the weather on the approach.
Mile markers count from each state's western line and start again at the next one, which is how most states number their exits as well. They are measured along the same road geometry these pages draw, so they land within a mile or two of the posted markers. A toll road that runs its own continuous numbering is the exception — on the New York Thruway the posts continue from New York City — and there the figure is how far into the state the place is rather than the number on the sign. Distances are measured state by state, never across a gap.
6 current reports along the route. The 4 most serious are listed below. Always check with the responsible state DOT before setting off.
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Restriction
Road construction on ramp from I-84 Westbound to I-84-BL Eastbound. 9/9/2026 12:27 PM MT to 11/28/2026 5:00 PM MT Mon…
Road construction on ramp from I-84 Westbound to I-84-BL Eastbound. 9/9/2026 12:27 PM MT to 11/28/2026 5:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 14ft Activities: Use Caution.
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Restriction
Road construction on ramp from I-84-BL Eastbound to I-84 Westbound. 9/9/2026 12:27 PM MT to 11/28/2026 5:00 PM MT Mon…
Road construction on ramp from I-84-BL Eastbound to I-84 Westbound. 9/9/2026 12:27 PM MT to 11/28/2026 5:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 14ft Activities: Use Caution.
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Restriction
Major Road construction on I-84 Westbound from MM (168) to MM (165). All Lanes Intermittent. 10/27/2024 7:00 PM to…
Major Road construction on I-84 Westbound from MM (168) to MM (165). All Lanes Intermittent. 10/27/2024 7:00 PM to 11/16/2026 7:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 22ft Speed Restriction: 65mph Activities: Use Caution.
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Restriction
Road construction on I-84 Eastbound from MM (165) to MM (168). All Lanes Intermittent. 7/27/2023 7:00 AM to 11/20/2026…
Road construction on I-84 Eastbound from MM (165) to MM (168). All Lanes Intermittent. 7/27/2023 7:00 AM to 11/20/2026 7:00 PM Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 22ft Speed Restriction: 65mph Activities: Use Caution.
Idaho I-84 weather conditions
Summaries fetched Sep 14, 2026 12:02 PM UTC
Boise, ID weather
- In Boise, ID, the current weather is mostly cloudy with a temperature of 47°F and a dew point of 38°F
- The humidity level is at 73%, indicating a fairly moist atmosphere
- The wind is blowing from the northwest at a speed of 2 mph
- The pressure is measured at 30.06 inHg, and visibility is good at 9.9 miles
- There are no active weather alerts at this time, and the probability of precipitation is 0%, meaning no rain is expected.
Oregon I-84 weather conditions
Summaries fetched Sep 14, 2026 12:06 PM UTC
Portland, OR weather
- The current weather in Portland, OR, shows a temperature of 56.7°F with a dew point of 52.2°F
- The humidity level is relatively high at 85%, indicating a humid atmosphere
- The wind is blowing from the southwest at approximately 3.4 MPH
- The sky is mostly cloudy, with cloud coverage at 85%
- Visibility is good at 9.9 miles, and the atmospheric pressure is 30.12 inHg
- There are no active weather alerts at this time, and no precipitation is currently occurring.
Utah I-84 weather conditions
Summaries fetched Sep 14, 2026 6:07 AM MDT
Salt Lake City, UT weather
- The current weather in Salt Lake City, UT is clear with a temperature of 54.9°F and a dew point of 37.0°F
- The humidity level is at 51%, indicating a moderately dry atmosphere
- The wind is blowing from the west-northwest at 2.9 MPH
- The visibility is good at 9.9 miles
- There are no active weather alerts at this time.
I-84 Traffic Cameras
updating…I-84 Boardman at Bombing Range Rd EB
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I-84 Boardman at Bombing Range Rd WB
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I-84 at 102nd
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I-84 at 102nd
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I-84 at 122nd WB
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I-84 at 223rd
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I-84 Road Weather FAQ
- Is I-84 closed right now?
- No full closures are reported on I-84 as of Sep 15, 2026 3:02 AM UTC. 6 lane closures, roadworks or restrictions are in force. They are listed under closures and road blocks on this page.
- What are I-84 road conditions today?
- The map on this page colors the route along I-84 by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Sep 15, 2026 2:39 AM UTC. Right now temperatures run from 59°F to 73°F and the strongest wind is 17 mph.
- How long is I-84 from Portland, Oregon to Echo, Utah?
- Measured state by state, I-84 runs 771 miles west to east, from Portland, Oregon to Echo, Utah, through 3 states: Oregon, Idaho and Utah. The longest stretch is 376 miles across Oregon. Mile markers restart at each state line, so Boise is around mile 53 in Idaho.
- Are there mountain passes on I-84?
- Yes — one on this site, Cabbage Hill at 3,615 ft. Each has its own summit page.
- Are there live traffic cameras on I-84?
- Yes. This page shows 6 live views on I-84 from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.
- How often are I-84 road conditions updated?
- The road surface and weather layers are rebuilt whenever this page is opened with data more than ten minutes old, and refreshed on a schedule in between, so nothing here is more than about two hours old even on a road nobody has looked at. Closures and road blocks are re-imported from the state 511 feeds every fifteen minutes, and the written state-by-state summaries are refreshed daily. Every section on this page carries the time its data was fetched.
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