Hartford, WI → St. Louis, MO
338 mi · 6h 45m (driving)
Current Risk
Low Risk
Clear conditions along your route
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Hartford
37°
Lee County
37°
40.2°
41°
St. Louis
36°
Trip Briefing
3 segments · 338 mi · 6h 45m
Weather
☀️ Clear sky
37°F, wind 13 mph
Incidents
1
1 critical
Rest Stops
19
Truck svc, Restrooms, water
Cameras
5 live
Rest stops in this segment:
- ● Rest Area
- ● Johnson Creek Rest Area 14 🚻
- ● Janesville Rest Area 17 🚻
Hazards Ahead
1 road closure may affect your route · 49 construction zones on route
49 Construction Zones on Route
WI-60 westbound: Long-term: Roadwork - Mainline Right Shoulder Closed on WIS 60 WB at Charolais Dr
WI-26 southbound: Roadwork - Mainline Moving Lane Closure on WIS 26 SB from WIS 26 NB (Begin Divided) to Wsor RR (Bridge Crossing)
I-39 southbound: Roadwork - Mainline Moving Lane Closure from WIS & Calumet RR (Bridge Crossing) to Stateline Rd EB & WB (Bridge Crossing)
US-51 southbound: Roadwork - Mainline Right Lane Closed on US 51 SB from Blackbridge Rd to Sherman St
WI-81 westbound: Roadwork - Mainline Moving Lane Closure on WIS 81 WB from To Hart Rd NB to Branigan Rd
local road: Road work until Dec 31
+ 43 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.
Choose your route:
Selected Route
Via I-39 South → I-90 → ... → US-40 West → I-64 West
Cameras shown are along this computed route
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I-39/90 at Townline Rd
Rock, WI ·
I-39/90 at WIS 26
Rock, WI ·
I-39/90 at US 14
Rock, WI ·
I-39/90 at Milwaukee St
Rock, WI ·
I-39/90 at Racine St/WIS 11
Rock, WI ·
I-39 SB: I-39 SB at Mile Post 68.48 (looking north)
IL · SB
I-39 SB: I-39 at US 24 (El Paso) (looking north)
IL · SB
I-80: I-39 at I-80 Interchange (looking west)
IL · WB
I-55 SB: I-55/I-74 at Oakland
IL · SB
I-55 SB: I-55 at Grand (looking south)
IL · SB
I-55: I-55 at IL 16
IL · WB
I-55 SB: I-55/70 @ MP 19.2 (looking south)
IL · SB
Rest Stops Along Your Route
57 stops available
Swipe to see moreShowing 1-2 of 57
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⚡ Recent Weather Events on This Route
Premium users received alerts for these conditions:
- 🌧️Nov 11: Rain advisory for afternoon departures
- ❄️Nov 9: Snow expected at higher elevations - consider earlier departure
- 🌫️Nov 6: Dense fog warning for morning travel
Don't miss the next alert →
Driving from Hartford, WI to St. Louis, MO covers 338 miles in roughly 6h 45m of drive time, crossing state lines. We track 12 live traffic cameras, 57 rest areas and 1 reported incident 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
39° / 37°
No precip
Tomorrow
Nov 14
41° / 29°
No precip
Sun
Nov 15
45° / 28°
No precip
Mon
Nov 16
46° / 30°
No precip
Tue
Nov 17
49° / 33°
No precip
Wed
Nov 18
50° / 35°
No precip
Thu
Nov 19
56° / 45°
No precip
🗓️ Weekend Outlook
Saturday
Good to Go☁️ Overcast at origin, ⛅ Partly cloudy at destination
Sunday
Good to Go☀️ Clear sky at origin, ⛅ Partly cloudy at destination
Plan This Route
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Current Conditions
Hartford, WI
37°F
Wind: 15 mph
St. Louis, MO
36°F
Wind: 8 mph
Weather data updated in real-time
Driving from Hartford, WI to St. Louis, MO
The 338-mile drive from Hartford, Wisconsin to St. Louis, Missouri takes approximately 6h 45m 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 Wisconsin into Missouri, connecting Hartford and St. Louis. Covering 338 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
- Winter storms and heavy snowfall (November through April)
- Black ice on mountain passes and bridges
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 Hartford to St. Louis
For medium-distance drives like this 338-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 338-mile drive from Hartford to St. Louis 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 Hartford to St. Louis?
The drive is approximately 338 miles and takes about 6h 45m 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, Sunday, Nov 15 looks ideal. Clear conditions expected along the entire route
Is it safe to drive from Hartford to St. Louis 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 Hartford to St. Louis route?
Yes, there are 57 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-39 South, I-90, I-55 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 is currently 1 active incident 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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