Johnson City, TN → Decatur, IL
434 mi · 8h 40m (driving)
Current Risk
Low Risk
Clear conditions along your route
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Johnson City
42°
Laurel County
42°
Bullitt County
45°
Sullivan County
43°
Decatur
43°
Trip Briefing
4 segments · 434 mi · 8h 40m
Weather
🌧️ Light drizzle
42°F, wind 8 mph
Rest Stops
6
Truck svc, Restrooms, water
Clear driving conditions expected
Rest stops in this segment:
- ● Rest Area and Tennessee Welcome Center 🚻
- ● Rest Area
- ● Pilot Travel Center 🚻
Hazards Ahead
9 road closures may affect your route · 37 construction zones on route
37 Construction Zones on Route
I-265 (Mile Point 41.14 - 28.7): Shoulder closed. Between the start of I-265 and Exit 41A: I-64.
I-265 (Mile Point 41.14 - 28.7): Shoulder closed. Between the start of I-265 and Exit 41A: I-64.
I-265 in both directions (Mile Point 40.78 - 28.9): Alternating lane closures. Between Lewis and Clark Bridge and Exit 41B: I-64 W to St Louis.
I-265 in both directions (Mile Point 28.9 - 34.4): Mobile maintenance operations. Between Lewis and Clark Bridge and US 31.
I-265 (Mile Point 32.09 - 40.76): Alternating lane closures. Between Exit 32: Old IN 62 Sec 3; IN 62 and Exit 40: State St.
I-265 in both directions (Mile Point 38.41 - 32.09): Alternating lane closures. Between Exit 32: Old IN 62 Sec 3; IN 62 and Exit 40: State St.
+ 31 more zones along the route — see map for full list
Traffic Cameras
See recent road conditions along your route
Images are snapshots updated periodically by state DOTs. Timestamps shown in images indicate when each photo was captured.
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Selected Route
Via SR-91 → I-26 West (James H. Quillen Parkway) → ... → I-57 South → I-72 West
Cameras shown are along this computed route
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SR 60
Sellersburg, IN ·
I-65 MP 9.0 SELLERSBURG (view 2)
Sellersburg, IN ·
I-65 MP 9.0 SELLERSBURG (view 1)
Sellersburg, IN ·
I-65 MP 10.2 ST JOE RD
Sellersburg, IN ·
I-65 MP 12.2 PERRY CROSSING RD
IN ·
I-65 MP 13.2 WEAVER RD
IN ·
I-65 MP 14.7 EBENEZER CHURCH RD
IN ·
I-65 MP 48.2 S OF US 50 (view 2)
IN ·
I-65 MP 99.4 MAIN ST/GREENWOOD (view 2)
Greenwood, IN ·
I-74 MP 5.2 COVINGTON
IN ·
I-74 WB: I-74 at Bowman Ave.
IL · WB
I-57: I-74 at Mile Post 236.9
IL · NB
Live traffic on this route
Cameras, crashes and closures right now on the highways this drive uses.
Rest Stops Along Your Route
51 stops available
Swipe to see moreShowing 1-2 of 51
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⚡ Recent Weather Events on This Route
Premium users received alerts for these conditions:
- 🌧️Nov 11: Heavy rain expected near Bullitt County - consider afternoon departure
Don't miss the next alert →
Driving from Johnson City, TN to Decatur, IL covers 434 miles in roughly 8h 40m of drive time, crossing state lines. We track 12 live traffic cameras, 51 rest areas and 9 reported incidents along this corridor so you can plan around them. Most drivers do this trip in one day; weather along the route matters more than the forecast at either endpoint, since you'll cross several climate zones.
7-Day Driving Outlook
Today
Nov 13
42° / 39°
No precip
Tomorrow
Nov 14
43° / 31°
No precip
Sun
Nov 15
45° / 32°
No precip
Mon
Nov 16
50° / 29°
No precip
Tue
Nov 17
56° / 30°
No precip
Wed
Nov 18
60° / 31°
No precip
Thu
Nov 19
64° / 34°
No precip
🗓️ Weekend Outlook
Saturday
Good to Go🌦️ Slight rain showers at origin, ☀️ Clear sky at destination
Sunday
Good to Go☁️ Overcast at origin, ☁️ Overcast at destination
Plan This Route
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Current Conditions
Johnson City, TN
42°F
Wind: 11 mph
Decatur, IL
43°F
Wind: 10 mph
Weather data updated in real-time
Driving from Johnson City, TN to Decatur, IL
The 434-mile drive from Johnson City, Tennessee to Decatur, Illinois takes approximately 8h 40m under normal conditions. Weather along this route can vary significantly, especially across open plains where severe weather and high winds can develop quickly. Route Outlook helps you find the safest time to travel by showing you weather conditions at every point along your route, timed to when you'll actually be there.
This long-distance route crosses state lines from Tennessee into Illinois, connecting Johnson City and Decatur. Covering 434 miles, this is a substantial drive that will take you through diverse terrain and weather patterns. Planning ahead with real-time conditions along the entire route — not just at your destination — is essential for a safe trip.
Common Weather Hazards on This Route
- Sudden rain showers reducing visibility
- High winds affecting vehicle stability
- Seasonal weather changes impacting road conditions
Seasonal Driving Considerations
The Midwest corridor of this route is susceptible to rapid weather changes. Severe thunderstorms and tornadoes are a real threat from April through June, while winter brings heavy lake-effect snow, ice storms, and dangerously low wind chill. Flat terrain means high crosswinds can affect vehicle stability year-round, especially for taller vehicles. Spring flooding can also close highway underpasses and low-lying road segments.
Best Time to Drive Johnson City to Decatur
For medium-distance drives like this 434-mile route, consider starting in the early morning to arrive before afternoon storms develop. Check the 7-day forecast above to find a day with favorable conditions along the entire route.
Driving Strategy
A 434-mile drive from Johnson City to Decatur takes a significant part of the day. Plan at least one fuel and rest stop along the way. If your route crosses elevation changes or state lines, expect weather conditions to shift mid-trip. Monitor the segment-by-segment forecast rather than just checking destination weather. Starting early in the morning typically avoids afternoon storm development and rush-hour congestion near urban areas.
Pro Tip
Use Route Outlook's departure optimizer to find the best time to leave. Our 4D trajectory engine considers weather at each point along your route at the exact time you'll be there — not just at your destination. It also integrates live data from traffic cameras, DOT 511 feeds, and road weather sensors.
Frequently Asked Questions
How long is the drive from Johnson City to Decatur?
The drive is approximately 434 miles and takes about 8h 40m under normal traffic and weather conditions. Severe weather can add significant time to your trip.
What's the best day to drive this route?
Based on current forecasts, Tuesday, Nov 17 looks ideal. Clear conditions expected along the entire route
Is it safe to drive from Johnson City to Decatur today?
Current conditions show low risk along this route. Conditions look favorable for travel. Always stay alert and adjust speed for changing conditions.
Are there rest areas on the Johnson City to Decatur route?
Yes, there are 51 rest areas along this route. Facilities include restrooms, parking, and in some cases picnic areas and vending machines. Rest stops are spaced throughout the drive, so you'll never be too far from a break.
Can I see live traffic cameras on this route?
Yes, Route Outlook shows 12 live traffic cameras along this route, sourced from state DOT feeds. You can check road visibility, traffic flow, and pavement conditions in real time before and during your drive.
What highways does this route use?
This route primarily uses I-65, I-74 West, I-57 South. Conditions can vary between highway segments, so check live camera feeds and road condition reports for each stretch before departing.
Are there any road closures on this route right now?
There are currently 9 active incidents along this route that may affect your drive. Check the incident details above for specific locations and expected durations.
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🛡️Road Safety Features: Real-Time Conditions for Your Route
Real-time traffic incidents from 12 states, highway message signs, road conditions, and 25,000+ traffic cameras--integrated into your route planning.
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