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I-40 Arizona Road Conditions
Radar and live pavement conditions on the 358 miles of I-40 in Arizona — plus closures, road work and city-by-city weather across the state.
Updated Sep 11, 2026 1:16 AM UTC · Mostly dry
Lowest 81°F near Flagstaff, Arizona · Highest wind 15 mph near Flagstaff, Arizona
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I-40 runs 358 miles across Arizona. It passes Flagstaff.
- Interstate: I-40
- State: Arizona
- Length in state: 358 mi
Weather data from Sep 11, 2026 1:16 AM UTC
81°F
111°F
15 mph
29.58-29.66 inHg
Current I-40 in Arizona Conditions by State
I-40 crosses 358 miles of Arizona, between the New Mexico line and the California line. That is 14% of I-40's 2,555 miles.
14 current reports along the route. The 8 most serious are listed below. Always check with the responsible state DOT before setting off.
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Lanes blocked
Construction work on I-40 Eastbound from MP 46 to MP 58 . 1 Right lane closed. Width Restriction: 14ft 3/23/2026 7:00…
Construction work on I-40 Eastbound from MP 46 to MP 58 . 1 Right lane closed. Width Restriction: 14ft 3/23/2026 7:00 PM to 9/30/2026 7:27 AM
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Lanes blocked
Paving operations on I-40 Eastbound from Two Guns (MP 229) to Meteor City Rd (MP 240) . 1 Right lane closed. Width…
Paving operations on I-40 Eastbound from Two Guns (MP 229) to Meteor City Rd (MP 240) . 1 Right lane closed. Width Restriction: 14ft Speed Restriction: 45mph 4/20/2026 5:00 AM to 10/30/2026 6:00 PM
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Lanes blocked
Paving operations on I-40 Westbound from Meteor City Rd (MP 240) to Two Guns (MP 229) . 1 Left lane closed. Width…
Paving operations on I-40 Westbound from Meteor City Rd (MP 240) to Two Guns (MP 229) . 1 Left lane closed. Width Restriction: 14ft Speed Restriction: 45mph 4/15/2026 5:00 AM to 10/30/2026 6:00 PM
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Lanes blocked
Construction work on I-40 Eastbound from US-93 Southbound (MP 71) to Blake Ranch Rd (MP 73) . 1 Right lane closed…
Construction work on I-40 Eastbound from US-93 Southbound (MP 71) to Blake Ranch Rd (MP 73) . 1 Right lane closed. Width Restriction: 14ft Speed Restriction: 55mph 4/28/2026 9:00 PM to 12/22/2026 6:00 PM
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Lanes blocked
Long term road construction on I-40 Eastbound from MP 190 to MP 191 . 1 Right lane closed. Width Restriction: 14ft…
Long term road construction on I-40 Eastbound from MP 190 to MP 191 . 1 Right lane closed. Width Restriction: 14ft Speed Restriction: 65mph 7/20/2026 4:35 PM to 10/15/2026 4:35 PM
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Restriction
Paving operations on I-40 Eastbound from Markham Wash (MP 107) to I-40-BL (MP 122) . Lanes Alternating. Width…
Paving operations on I-40 Eastbound from Markham Wash (MP 107) to I-40-BL (MP 122) . Lanes Alternating. Width Restriction: 14ft Speed Restriction: 55mph 8/13/2026 4:00 AM to 10/30/2026 6:00 PM
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Restriction
Construction work on I-40 Eastbound from I-40-BL (MP 283) to Perkins Valley Rd (MP 284) Width Restriction: 28ft…
Construction work on I-40 Eastbound from I-40-BL (MP 283) to Perkins Valley Rd (MP 284) Width Restriction: 28ft 11/3/2025 6:00 AM to 10/30/2026 5:00 PM
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Restriction
Construction work on I-40 Westbound from I-40-BL (MP 284) to Perkins Valley Rd (MP 283) Width Restriction: 28ft…
Construction work on I-40 Westbound from I-40-BL (MP 284) to Perkins Valley Rd (MP 283) Width Restriction: 28ft 11/3/2025 6:00 AM to 10/30/2026 5:00 PM
| Place | Snow a year | Snow days | Freezing nights | Freeze–thaw days | First freeze | Last freeze | Days over 90°F |
|---|---|---|---|---|---|---|---|
| Flagstaff | 101.7" | 34.9 | 196.9 | 185.7 | Sep 28 | Jun 5 | 1.5 |
NOAA 1991–2020 Climate Normals, from a weather station in Arizona. A dash is a figure that station does not report, not a zero.
Towns Along I-40 in Arizona
From Kingman to Holbrook, with the position of each town measured along this stretch itself — counted from the Kingman end, not from a state milepost, so it will not match the numbers on the signs.
- 54 mi Kingman
- 163 mi Williams 1.1 mi off the road
- 197 mi Flagstaff
- 252 mi Winslow 1.1 mi off the road
- 285 mi Holbrook
Places from the US Census Gazetteer and population estimates, both public domain; distances measured along this page's own route geometry.
Summaries fetched Sep 10, 2026 12:00 PM UTC
Flagstaff, AZ weather
- Current weather conditions in Flagstaff, AZ indicate a temperature of 67.8°F with a dew point of 32.7°F and a humidity level of 27%
- The wind is blowing from the north-northwest at a speed of 3.7 MPH
- The atmospheric pressure is measured at 29.8 inHg
- Visibility is good at 9.9 miles, and the weather is mostly clear
- There are no active weather alerts at this time, and no precipitation or snowfall is reported.
I-40 in Arizona Road Weather FAQ
- Is Interstate 40 in Arizona closed right now?
- No full closures are reported on I-40 in Arizona as of Sep 11, 2026 1:46 AM UTC. 14 lane closures, roadworks or restrictions are in force. They are listed under closures and road blocks on this page.
- What are I-40 in Arizona road conditions today?
- The map on this page colors the route along I-40 in Arizona by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Sep 11, 2026 1:16 AM UTC. Right now temperatures run from 81°F to 111°F and the strongest wind is 15 mph.
- Where are Arizona road closures reported officially?
- Arizona's official traveler information service is az511.gov, and it is where closures and restrictions are reported.
- How often are I-40 in Arizona 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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