Mount Vernon, TX → San Antonio, TX
322 mi · 6h 26m (driving)
Current Risk
Low Risk
Clear conditions along your route
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Mount Vernon
53°
Navarro County
64°
Williamson County
70°
San Antonio
55°
Trip Briefing
3 segments · 322 mi · 6h 26m
Weather
☀️ Clear sky
64°F, wind 9 mph
Rest Stops
20
Truck svc, Restrooms, water
Clear driving conditions expected
Rest stops in this segment:
- ● Rest Area
- ● Love's Travel Stop
- ● Pilot Travel Center
Normal Traffic
32 construction zones along route — no other incidents
32 Construction Zones on Route
FM 1777: All traffic reduced to one lane, two-way traffic control in place, be prepared to stop near SH-66 (daytime)
I-30 westbound: Daytime closure only near FM 551 (daytime)
FM 549: Alternating lanes closed near FM 1139 (daytime)
I-30 westbound: Alternating lanes closed near FM 3549 (daytime)
I-30: Daytime closure only near FM 740 (daytime)
FM 740: Alternating lanes closed near FM 3097 (daytime)
+ 26 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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Via I-30 West → I-35E South → ... → I-37 North → US-281
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Live traffic on this route
Cameras, crashes and closures right now on the highways this drive uses.
Rest Stops Along Your Route
52 stops available
Swipe to see moreShowing 1-2 of 52
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We'll notify you when conditions change before your trip. Never drive into a surprise storm again.
⚡ 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 →
The 322-mile full-day drive from Mount Vernon to San Antonio stays within TX and takes about 6h 26m without stops. We track 12 live traffic cameras and 52 rest areas 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
63° / 53°
No precip
Tomorrow
Nov 14
60° / 44°
No precip
Sun
Nov 15
56° / 44°
No precip
Mon
Nov 16
51° / 45°
No precip
Tue
Nov 17
59° / 43°
No precip
Wed
Nov 18
66° / 50°
No precip
Thu
Nov 19
64° / 59°
No precip
🗓️ Weekend Outlook
Saturday
Good to Go☁️ Overcast at origin, 🌦️ Slight rain showers at destination
Sunday
Use Caution⚠️ Hazardous conditions expected - Violent rain showers
Plan This Route
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Current Conditions
Mount Vernon, TX
53°F
Wind: 9 mph
San Antonio, TX
55°F
Wind: 4 mph
Weather data updated in real-time
Driving from Mount Vernon, TX to San Antonio, TX
The 322-mile drive from Mount Vernon, Texas to San Antonio, Texas takes approximately 6h 26m under normal conditions. Weather along this route can vary significantly, especially along coastal regions where fog and marine weather can impact visibility. 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 stays within Texas, connecting Mount Vernon and San Antonio. Covering 322 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
- Severe thunderstorms and flash flooding (spring and summer)
- Hurricane and tropical storm impacts (June through November)
Seasonal Driving Considerations
Coastal weather on this route can shift quickly. Marine fog is common during morning hours, especially in spring and fall, reducing visibility to near zero. Hurricane season (June through November) can bring extended road closures and dangerous conditions. During fair weather, coastal routes offer scenic driving — but always verify conditions with live traffic cameras before heading out.
Best Time to Drive Mount Vernon to San Antonio
For medium-distance drives like this 322-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 322-mile drive from Mount Vernon to San Antonio 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 Mount Vernon to San Antonio?
The drive is approximately 322 miles and takes about 6h 26m 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, Today (Nov 13) looks ideal. Clear conditions expected along the entire route
Is it safe to drive from Mount Vernon to San Antonio 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 Mount Vernon to San Antonio route?
Yes, there are 52 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 Other. 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?
No significant incidents or road closures are currently reported along this route. Conditions can change quickly — this page updates automatically with the latest data from state DOT 511 systems.
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