Current highway information
Highway 401 — Windsor to Toronto weather alerts and forecast context
Environment Canada weather alerts, current conditions and short forecasts for communities near this highway.
Environment Canada
Weather along the corridor
Alerts
1
Temperature
18°C
Wind
21 km/h
Gust
32 km/h
YELLOW ADVISORY - FROST
advisory · yellow alert level · expires Oct 9, 2026, 11:45 p.m. PDT
Nearest weather location: London · observed Oct 9, 2026, 10:00 a.m. PDT.
Today
Sunny. Wind northwest 20 km/h gusting to 40. High 18. UV index 5 or moderate.
Tonight
Clear. Becoming partly cloudy near midnight. Low 7.
Saturday
A mix of sun and cloud. Wind becoming south 30 km/h late in the morning. High 22. UV index 5 or moderate.
Saturday night
Cloudy. Low 12.
Data status
Source: Environment and Climate Change Canada
- Last updated
Coverage: Weather observations, forecasts and alerts are independent context. Missing records are not interpreted as clear or safe driving conditions.
View official source →Update details
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- Normal update timing
- 5 minutes for FireRadar retrieval; official observations vary
Source and FireRadar check times may differ.
FireRadar is an informational service. Transportation authorities remain authoritative for road status, restrictions and closures; emergency and wildfire authorities remain authoritative for evacuation and public-safety instructions.