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I-55 Illinois Road Conditions
Radar, DOT cameras and live pavement conditions on the 294 miles of I-55 in Illinois — plus closures, road work and city-by-city weather across the state.
Updated Sep 10, 2026 8:55 PM CDT · Mostly dry, wet in places
Lowest 68°F near Springfield, Illinois · Highest wind 4 mph near Chicago, Illinois
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I-55 runs 294 miles across Illinois. It passes Chicago and Springfield.
- Interstate: I-55
- State: Illinois
- Length in state: 294 mi
Weather data from Sep 10, 2026 8:55 PM CDT
68°F
76°F
4 mph
29.94-30.03 inHg
Current I-55 in Illinois Conditions by State
Illinois I-55 in Illinois road conditions
Dry
- Chicago 71°F · 4 mph wind · Dry
- Springfield 73°F · 2 mph wind · Dry
Official Illinois road conditions (gettingaroundillinois.com) ↗
I-55 crosses 294 miles of Illinois, from the Missouri line to its end in the state. That is 30% of I-55's 964 miles.
Inside Illinois it meets I-80, I-94 and I-90 at Chicago, and I-44, I-64, I-70 and I-74.
1 current report along the route. Always check with the responsible state DOT before setting off.
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Lanes blocked
Shorewood-WB Ramp Int55 SB
| Place | Snow a year | Snow days | Freezing nights | Freeze–thaw days | First freeze | Last freeze | Days over 90°F |
|---|---|---|---|---|---|---|---|
| Chicago | 37.1" | 26.7 | 108.3 | 66.6 | Oct 28 | Apr 12 | 15.1 |
| Springfield | 20.9" | 16.9 | 110.2 | 79.3 | Oct 16 | Apr 17 | 22.6 |
NOAA 1991–2020 Climate Normals, from 2 weather stations in Illinois. A dash is a figure that station does not report, not a zero.
Towns Along I-55 in Illinois
From Cahokia Heights to Chicago, with the position of each town measured along this stretch itself — counted from the Cahokia Heights end, not from a state milepost, so it will not match the numbers on the signs.
- 1 mi Cahokia Heights 3.1 mi off the road
- 11 mi Collinsville
- 45 mi Gillespie 4.5 mi off the road
- 94 mi Rochester 2.2 mi off the road
- 96 mi Springfield 2.4 mi off the road
- 159 mi Bloomington 3.1 mi off the road
- 235 mi Braidwood 1.0 mi off the road
- 258 mi Crest Hill 2.8 mi off the road
- 276 mi Willowbrook 1.3 mi off the road
- 280 mi Hickory Hills 3.0 mi off the road
- 283 mi Broadview 4.7 mi off the road
- 290 mi Chicago
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 7:02 AM CDT
Chicago, IL weather
- Current weather conditions in Chicago, IL indicate a temperature of 69°F with a relative humidity of 87%
- The wind is blowing from the north at approximately 2.8 mph
- Visibility is good at 9.9 miles, and the sky is mostly cloudy with cloud coverage at 75%
- Atmospheric pressure is measured at 30.06 inHg
- There are no significant weather alerts or precipitation currently impacting the area.
Springfield, IL weather
- In Springfield, IL, the current weather conditions indicate a temperature of 69.6°F with a humidity level of 89%
- The wind is blowing from the northwest at 1 mph
- There is a low risk of rain expected within the next hour, with rainfall rates anticipated at 0.18 in/h
- The atmospheric pressure is measured at 30.06 inHg
- Visibility is good at 3.9 miles
- There are currently no active alerts in the area.
I-55 in Illinois Traffic Cameras
updating…B and O RR
2 days ago
County Line Rd HD
2 days ago
East of Lemont HD
2 days ago
I-55 SB at Mile Post 223.0 (#3017)
2 days ago
I-55 SB at Mile Post 223.0 (#3017) (N)
2 days ago
I-55 at I-74 Northwest Split (#5002)
2 days ago
I-55 in Illinois Road Weather FAQ
- Is Interstate 55 in Illinois closed right now?
- No full closures are reported on I-55 in Illinois as of Sep 10, 2026 8:46 PM CDT. One lane closure, roadworks or restriction is in force. They are listed under closures and road blocks on this page.
- What are I-55 in Illinois road conditions today?
- The map on this page colors the route along I-55 in Illinois by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Sep 10, 2026 8:55 PM CDT. Right now temperatures run from 68°F to 76°F and the strongest wind is 4 mph.
- Where are Illinois road closures reported officially?
- Illinois's official traveler information service is gettingaroundillinois.com, and it is where closures and restrictions are reported.
- Are there live traffic cameras on I-55 in Illinois?
- Yes. This page shows 6 live views on I-55 in Illinois from the state transportation departments' own camera feeds, further down the page, refreshed each time you load it.
- How often are I-55 in Illinois 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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