The app this map came from
Weather Navigation carries the same radar and road-surface data on Apple CarPlay and Android Auto, with a weather-aware route planner, storm-cell tracking and radar that refreshes every two minutes over the US.
I-75 Tennessee Road Conditions
Radar and live pavement conditions on the 159 miles of I-75 in Tennessee — plus closures, road work and city-by-city weather across the state.
Updated Oct 9, 2026 3:34 AM UTC · Mostly dry, wet in places
Lowest 62°F near Knoxville, Tennessee · Highest wind 3 mph near Knoxville, Tennessee
Use Weather Navigation for your next Road Trip
I-75 runs 159 miles across Tennessee. It passes Knoxville and Chattanooga.
- Interstate: I-75
- State: Tennessee
- Length in state: 159 mi
Weather data from Oct 9, 2026 3:34 AM UTC
62°F
69°F
3 mph
30.05-30.14 inHg
Conditions along I-75 in Tennessee
Tennessee road conditions & Tennessee 511
Dry
- Knoxville 66°F · 1 mph wind · Dry
- Chattanooga 69°F · 1 mph wind · Dry
I-75 crosses 159 miles of Tennessee, between the Georgia line and the Kentucky line. That is 9% of I-75's 1,786 miles.
Inside Tennessee it meets I-24 at Chattanooga, and I-40 at Knoxville.
By mile marker, I-75 passes Chattanooga 1 (6 mi off) · Knoxville 102.
No full closures are reported on I-75 in Tennessee as of Oct 9, 2026 3:34 AM UTC, 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 |
|---|---|---|---|---|---|---|---|
| Knoxville | 6.5" | 4.2 | 67 | 62.2 | Nov 2 | Apr 4 | 31.4 |
| Chattanooga | 3.9" | 2.7 | 58.3 | 55.7 | Nov 7 | Mar 31 | 47.7 |
NOAA 1991–2020 Climate Normals, from 2 weather stations in Tennessee. A dash is a figure that station does not report, not a zero.
Towns Along I-75 in Tennessee
From East Ridge to Jellico, with the position of each town measured along this stretch itself — counted from the East Ridge end, not from a state milepost, so it will not match the numbers on the signs.
- 1 mi East Ridge 1.0 mi off the road
- 2 mi Chattanooga 4.7 mi off the road
- 12 mi Collegedale 2.5 mi off the road
- 25 mi Cleveland 1.3 mi off the road
- 62 mi Sweetwater 1.7 mi off the road
- 73 mi Loudon 1.3 mi off the road
- 88 mi Farragut 1.4 mi off the road
- 102 mi Knoxville 1.5 mi off the road
- 126 mi Rocky Top
- 133 mi Caryville 1.2 mi off the road
- 158 mi Jellico
Places from the US Census Gazetteer and population estimates, both public domain; distances measured along this page's own route geometry.
Summaries fetched Oct 8, 2026 12:07 PM UTC
Knoxville, TN weather
- In Knoxville, TN, the current weather is characterized by fog, resulting in reduced visibility at approximately 4.1 miles
- The temperature is 54.9°F with a dew point of 54.0°F, leading to a high humidity level of 97%
- Winds are calm, blowing from the west at around 1 mph
- The atmospheric pressure is at 30.12 inHg
- Overall, conditions are quite humid and foggy, which may impact travel and outdoor activities.
I-75 in Tennessee Road Weather FAQ
- Is Interstate 75 in Tennessee closed right now?
- No full closures are reported on I-75 in Tennessee. No lane closures or roadworks are reported either.
- What are I-75 in Tennessee road conditions today?
- The map on this page colors the route along I-75 in Tennessee by what is on the pavement right now — dry, wet, slush, snow or ice — from radar and surface data, last updated Oct 9, 2026 3:34 AM UTC. Right now temperatures run from 62°F to 69°F and the strongest wind is 3 mph.
- Where are Tennessee road closures reported officially?
- Tennessee's official traveler information service is SmartWay, at smartway.tn.gov, and it is where closures and restrictions are reported.
- How often are I-75 in Tennessee 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.
Weather Road Planner for car and mobile
The same live radar and road-surface data as this map, on your phone and on Apple CarPlay or Android Auto.
