closegps_fixed
42.99 °N, 82.31 °W

Sarnia, Ontario, Canada Severe Weather Alertstar_ratehome

icon44 Â°F Chris Hadfield Airport Station|Report|Change
Current Station
Personal Weather Station
Location: Sarnia, Ontario, Canada
Nearby Weather Stations

Active Weather Alerts

Yellow Warning - Rainfall
Issued: 2:07 PM Apr. 4, 2026 – Environment and Climate Change Canada
Another round of showers and thunderstorms expected later today.

What:
Total local rainfall amounts of 30 to 60 mm, including this mornings' rainfall.
The ground may have little ability to absorb further moisture due to recent rainfall events.

When:
Late this afternoon and early this evening.

Additional Information:
Some areas across Lambton County have received significant rainfall this morning. Another round of showers and thunderstorms is expected later today.

For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit Ontario.ca/floods for the latest details.

###

Water will likely pool on roads and in low-lying areas.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.
Local Radar
Local Radar ImageLocal Severe Image