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I-80 Wyoming Road Conditions
Radar and live pavement conditions on the 402 miles of I-80 in Wyoming — plus closures, road work and city-by-city weather across the state.
Updated Sep 14, 2026 9:32 PM MDT · Mostly dry
Lowest 54°F near Laramie, Wyoming · Highest wind 11 mph near Laramie, Wyoming
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Interstate 80 crosses Wyoming for 402 miles, from Evanston on the Utah line to Pine Bluffs on the Nebraska line, and climbs to 8,640 feet at Sherman Summit between Laramie and Cheyenne — the highest point on the whole of I-80. The stretch between Laramie and Rawlins is the one drivers plan around: wind gusts regularly close it to light, high-profile vehicles, and ground blizzards shut the gates outright.
- Road system: Interstate Highway System
- Length: 402 miles
- Highest point: Sherman Summit, 8,640 ft
- Runs from: Evanston (Utah line) to Pine Bluffs (Nebraska line)
Weather data from Sep 14, 2026 9:32 PM MDT
54°F
67°F
11 mph
29.63-29.86 inHg
Current I-80 in Wyoming Conditions by State
Wyoming I-80 in Wyoming road conditions
Dry
- Laramie 62°F · 8 mph wind · Dry
- Cheyenne 67°F · 8 mph wind · Dry
I-80 crosses 402 miles of Wyoming, between the Utah line and the Nebraska line. That is 14% of I-80's 2,900 miles.
Inside Wyoming it meets I-25 at Cheyenne.
By mile marker, I-80 passes Laramie 312 · Cheyenne 360.
No full closures are reported on I-80 in Wyoming as of Sep 14, 2026 9:32 PM MDT, and no lane closures or roadworks either. Always check with the responsible state DOT before setting off.
| Place | Snow a year | Snow days | Freezing nights | Freeze–thaw days | First freeze | Last freeze | Days over 90°F |
|---|---|---|---|---|---|---|---|
| Laramie | 49.7" | 39.6 | 209.3 | 155.6 | Sep 15 | Jun 4 | 1.5 |
| Cheyenne | 60.3" | 45 | 164.1 | 131.3 | Sep 30 | May 13 | 10.4 |
NOAA 1991–2020 Climate Normals, from 2 weather stations in Wyoming. A dash is a figure that station does not report, not a zero.
Every figure above is a town or a city. The summits are a different climate: Teton Pass has its own page with the readings at the top and a six-day summit forecast.
Towns Along I-80 in Wyoming
From Evanston to Pine Bluffs, with the position of each town measured along this stretch itself — counted from the Evanston end, not from a state milepost, so it will not match the numbers on the signs.
- 5 mi Evanston
- 41 mi Lyman 2.7 mi off the road
- 91 mi Green River 1.4 mi off the road
- 105 mi Rock Springs 1.0 mi off the road
- 214 mi Rawlins
- 311 mi Laramie
- 363 mi Cheyenne
- 400 mi Pine Bluffs
Places from the US Census Gazetteer and population estimates, both public domain; distances measured along this page's own route geometry.
Summaries fetched Sep 14, 2026 6:08 AM MDT
Cheyenne, WY weather
- Current weather conditions in Cheyenne, WY indicate a clear atmosphere with a temperature of 63°F and a dew point of 58°F, leading to a relative humidity of 83%
- The wind is blowing from the west-southwest at 9 to 18 mph
- Atmospheric pressure is measured at 29.6 inHg
- Visibility is good at 10.0 miles
- There are no active weather alerts at this time.
I-80 in Wyoming Road Weather FAQ
- Is Interstate 80 in Wyoming closed right now?
- No full closures are reported on I-80 in Wyoming. No lane closures or roadworks are reported either.
- What are I-80 in Wyoming road conditions today?
- The map on this page colors the route along I-80 in Wyoming by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Sep 14, 2026 9:32 PM MDT. Right now temperatures run from 54°F to 67°F and the strongest wind is 11 mph.
- How often are I-80 in Wyoming 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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