Orange Rainfall Warning in Effect for Greater Sudbury
If you are in immediate danger, call emergency services now.
For real-time, official alerts and instructions for your exact location, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia) as applicable. This article is a data summary, not a substitute for the issuing agency's live warning.
Areazine synthesizes this ECCC weather alert directly from ECCC's official public data feed. See our methodology for full source attribution and refresh cadence.
An orange warning for rainfall is in effect for Greater Sudbury and vicinity, with significant rain and localized flooding expected through this morning.
Read this weather record in 30 seconds
- Record type
- Rainfall Warning
- Affected area
- Greater Sudbury and vicinity
- Issued
- August 23, 2026
- Issuing authority
- ECCC
The warning type, named area, and issue time define this record. Confirm all three against the original agency notice before treating it as current.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Orange warning - rainfall issued by Environment Canada. Effective from 2026-08-23T09:37:42-00:00, expires 2026-08-24T01:37:42-00:00.
Affected Areas
Greater Sudbury and vicinity.
What You Should Do
Localized flooding is likely and some roads may become impassable. Consult your local Conservation Authority or Ontario Ministry of Natural Resources office for flooding information. Continue to monitor alerts and forecasts issued by Environment Canada. Report severe weather to ONstorm@ec.gc.ca or via social media using #ONStorm.
Expected Conditions
Local total rainfall amounts of 75 to 150 mm. Radar estimates and personal weather station data suggest near 150 mm of rain has already fallen near Azilda. Rainfall amounts will be highly variable across the region.
Timeline
Significant rain expected continuing through this morning. Additional showers are expected through today and gradually tapering by tonight.
Original source: ECCC Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this ECCC weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (946 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 23, 2026.
Frequently Asked Questions
Common questions about this ECCC weather alert.