DriveWindow Canada route answer
What weather should I check between Dallas and Houston?
Check severe thunderstorm timing, heavy rain, and gusty wind and hail risk along I-45 through east Texas. Storm lines can move across the corridor and change the best drive window. Refresh the forecast close to departure and verify provincial, state, or park road information.
Route facts
Dallas → Houston
- Distance
- 386 km
- Typical drive
- 4 hours
- Planning baseline
- Morning or after storms pass
- Main weather risks
- severe thunderstorm timing · heavy rain · gusty wind and hail risk
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Corridor conditions
Where weather can affect the drive
The destination forecast does not describe the full 386 km trip. Conditions can differ across I-45 through east Texas as elevation, exposure, and storm timing change.
Prioritize severe thunderstorm timing, heavy rain, and gusty wind and hail risk and refresh the corridor forecast shortly before leaving.
What to check before leaving
Storm lines can move across the corridor and change the best drive window. Key weather factors: severe thunderstorm timing, heavy rain, gusty wind and hail risk.
- severe thunderstorm timing
- heavy rain
- gusty wind and hail risk
Route planning answers
Common questions about this drive
Plan the drive
Route weather planning guides
Start with the question that matches your Canadian or cross-border trip, then finish the current check in DriveWindow.
Sources and methodology
How this answer is produced
Website drive time and distance are static planning baselines. In the app, routing-provider travel time can account for traffic and helps time each weather segment; departure options are then compared by weather risk for your date.
US National Weather Service Environment and Climate Change Canada DriveTexas Route weather methodology Data-source policy
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