Yellow Rainfall Warning Issued for Eastern Ontario Areas
This alert is no longer in effect.
ECCC issued it on April 30, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this ECCC weather alert directly from ECCC's official public data feed. See our methodology for full source attribution and refresh cadence.
Environment Canada has issued a yellow warning for heavy rainfall in eastern Ontario, with expected totals of 20 to 40 mm and up to 50 mm locally tonight.
Read this weather record in 30 seconds
- Record type
- Rainfall
- Affected area
- Eastern Ontario
- Issued
- April 30, 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: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Eastern Ontario.
Yellow Rainfall Warning for Eastern Ontario
Alert Details
A yellow warning for rainfall has been issued by Environment Canada. It is in effect as a moderate severity alert.
Affected Areas
The warning affects the regions of Tamworth, Sydenham, and South Frontenac in eastern Ontario.
What You Should Do
Residents should 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. For information concerning flooding, consult your local Conservation Authority or Ontario Ministry of Natural Resources office.
Expected Conditions
Heavy rain is expected with rainfall totals of 20 to 40 mm and locally up to 50 mm. The ground, which is already nearly saturated, will have a reduced ability to absorb more rain, leading to water pooling on roads and in low-lying areas.
Timeline
The alert is effective from April 30, 2026, at 2:15:55 AM UTC and expires on April 30, 2026, at 3:12:55 PM UTC, occurring 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 (1,034 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to April 30, 2026.
Frequently Asked Questions
Common questions about this ECCC weather alert.