Onalaska, TX → San Antonio, TX
223 mi · 4h 27m (driving)
Current Risk
High Risk
Flood Watch in effect — consider delaying
Onalaska
77°
Washington County
78°
Bastrop County
77°
San Antonio
81°
Trip Briefing
3 segments · 223 mi · 4h 27m
Weather
☀️ Clear sky
78°F, wind 9 mph
Rest Stops
3
Truck svc, Restrooms
Clear driving conditions expected
Rest stops in this segment:
- ● Love's Travel Stop
- ● QuikTrip
- ● Buc-ee's 🚻
Weather May Slow Traffic
Active weather advisory — expect slower travel · 15 construction zones on route
15 Construction Zones on Route
SH-156: Alternating lanes closed near FM 224
US-90: Construction near FM 1680
I-10 westbound: Frontage road work near SH-123
SH-123: Multiple right lanes closed near I-10
I-10: Multiple left lanes closed near BS0123B
I-10: Frontage road work near BS0123B
+ 9 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 US-190 → I-45 South → ... → I-37 North → US-281
Cameras shown are along this computed route
Need a custom route?No Traffic Cameras Available
We don't have traffic camera coverage along this route yet. We're actively adding cameras from more state DOT systems. Check back soon!
Plan your route in the app for weather alertsRest Stops Along Your Route
26 stops available
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Get Weather Alerts for This Route
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:
- 🌧️Sep 28: Rain advisory for afternoon departures
- ❄️Sep 26: Snow expected at higher elevations - consider earlier departure
- 🌫️Sep 23: Dense fog warning for morning travel
Don't miss the next alert →
The 223-mile half-day drive from Onalaska to San Antonio stays within TX and takes about 4h 27m without stops. We track 26 rest areas and 1 active weather alert 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
Sep 30
91° / 77°
No precip
Tomorrow
Oct 1
91° / 77°
No precip
Fri
Oct 2
88° / 75°
No precip
Sat
Oct 3
87° / 75°
No precip
Sun
Oct 4
85° / 73°
No precip
Mon
Oct 5
86° / 75°
No precip
Tue
Oct 6
86° / 72°
No precip
🗓️ Weekend Outlook
Saturday
Use Caution🌧️ Heavy rain → 🌧️ Moderate rain. Use caution.
Sunday
Good to Go🌧️ Moderate rain at origin, 🌧️ Moderate rain at destination
Plan This Route
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Current Conditions
Onalaska, TX
77°F
Wind: 6 mph
San Antonio, TX
81°F
Wind: 13 mph
Weather data updated in real-time
Driving from Onalaska, TX to San Antonio, TX
The 223-mile drive from Onalaska, Texas to San Antonio, Texas takes approximately 4h 27m 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 moderate route stays within Texas, connecting Onalaska and San Antonio. A drive of 223 miles means you'll pass through multiple weather zones. Conditions at your starting point may bear little resemblance to what you'll encounter halfway through the 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 Onalaska to San Antonio
For medium-distance drives like this 223-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 223-mile drive from Onalaska 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 Onalaska to San Antonio?
The drive is approximately 223 miles and takes about 4h 27m 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, Oct 6 looks ideal. Low chance of precipitation with manageable conditions
Is it safe to drive from Onalaska to San Antonio today?
Current conditions show high risk along this route. Conditions look favorable for travel. Always stay alert and adjust speed for changing conditions.
Are there rest areas on the Onalaska to San Antonio route?
Yes, there are 26 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.
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.
Related Driving Guides
Finding the Safest Time to Drive: A Data-Driven Approach
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🛣️How to Check Road Conditions Before a Trip: All Your Options
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Don't Drive Blind Into Weather
Route Outlook shows you conditions at every point along your route—at the exact time you'll be there.
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