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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 Oct 15, 2026 1:10 AM UTC · 3 states · Mostly dry
Lowest 50°F near Ogden, Utah · Highest wind 25 mph near Boise, Idaho
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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 Oct 15, 2026 1:10 AM UTC
50°F
73°F
25 mph
30.00-30.29 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.
9 current reports along the route. The 7 most serious are listed below. Always check with the responsible state DOT before setting off.
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Restriction
Long term road construction on I-84 Westbound from Franklin IC to Centennial IC. All Lanes Affected. 11/3/2023 12:00 AM…
Long term road construction on I-84 Westbound from Franklin IC to Centennial IC. All Lanes Affected. 11/3/2023 12:00 AM MT to 5/27/2027 6:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 24ft Speed Restriction: 55mph Activities: Use Caution.
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Restriction
Long term road construction on I-84 Eastbound from Centennial Way to Franklin Rd. 11/3/2023 12:00 AM MT to 5/27/2027…
Long term road construction on I-84 Eastbound from Centennial Way to Franklin Rd. 11/3/2023 12:00 AM MT to 5/27/2027 6:00 PM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 24ft Speed Restriction: 55mph Activities: Use Caution.
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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
Minor Road maintenance on I-84 Eastbound from Kasota Rd to Burley interchange. 10/12/2026 6:00 AM MT to 10/31/2026…
Minor Road maintenance on I-84 Eastbound from Kasota Rd to Burley interchange. 10/12/2026 6:00 AM MT to 10/31/2026 12:00 AM MT Mon, Tue, Wed, Thu, Fri, Sat, Sun: Active all day Width Restriction: 12ft Speed Restriction: 55mph 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 Oct 14, 2026 12:02 PM UTC
Boise, ID weather
- In Boise, ID, a frost advisory is currently in effect from 10:22 AM on October 13, 2026, until 10:00 AM on October 14, 2026
- The temperature is 38°F with a dew point of 30°F and humidity at 75%
- Winds are light, blowing from the southwest at 1 mph
- Visibility is good at 9.9 miles
- The atmospheric pressure is 30.12 inHg
- There are no significant weather impacts reported for outdoor activities at this time.
Oregon I-84 weather conditions
Summaries fetched Oct 14, 2026 12:07 PM UTC
Portland, OR weather
- Portland, OR is currently experiencing cloudy conditions with a temperature of 50°F and a relative humidity of 81%
- The air quality is forecast to be unhealthy for sensitive groups, with an AQI of 101 expected in about 3 to 4 hours, primarily due to PM2.5 pollutants
- Winds are calm at 0 mph, and visibility is good at 9.9 miles
- There are no active weather alerts at this time
- The atmospheric pressure is measured at 30.2 inHg.
Utah I-84 weather conditions
Summaries fetched Oct 14, 2026 6:08 AM MDT
Salt Lake City, UT weather
- Current weather conditions in Salt Lake City, UT indicate a temperature of 42°F with a relative humidity of 100%
- The pressure is measured at 30.12 inHg
- Winds are coming from the northwest at 1 mph
- The sky is overcast with 100% cloud coverage, and visibility is at 9.9 miles
- There are no active weather alerts at this time, and no precipitation is occurring.
I-84 Traffic Cameras
updating…I-84 at 28th
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I-84 at Arlington
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I-84 at Clover Creek
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I-84 Sweetzer Summit (view 1)
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I-84 Glenns Ferry (view 1)
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Local Chaulk Hill, UT
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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 Oct 15, 2026 1:02 AM UTC. 9 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 Oct 15, 2026 1:10 AM UTC. Right now temperatures run from 50°F to 73°F and the strongest wind is 25 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. It 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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