Yellow Severe Thunderstorm Warning in Effect for Deep River - Whitney Area

Source: ECCC · Eastern Ontario

Areazine synthesizes this ECCC weather alert directly from ECCC's official public data feed. See our methodology for full source attribution and refresh cadence.

A yellow warning for a severe thunderstorm is in effect for Deep River - Whitney - Eastern Algonquin Park until 3:10 p.m. EDT on August 29, 2026.

Read this weather record in 30 seconds

Record type
Severe Thunderstorm Warning
Affected area
Eastern Ontario
Issued
August 29, 2026
Issuing authority
ECCC

Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.

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

Yellow warning - severe thunderstorm - in effect. Issued by Environment Canada. Effective from 1:26 p.m. EDT on August 29, 2026, until 3:10 p.m. EDT on August 29, 2026.

Affected Areas

Deep River - Whitney - Eastern Algonquin Park.

What You Should Do

Driving conditions will likely be difficult. Damage to roofs, fences, soft shelters or trees is likely.

Expected Conditions

At 1:26 p.m. EDT, a severe thunderstorm is located about 20 km south of Mattawa. This severe thunderstorm is moving east at 50 km/h. Strong wind gusts are possible.

Timeline

The warning is effective from 2026-08-29T17:28:34-00:00 and expires at 2026-08-29T19:10:34-00:00.

Original source: ECCC Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this ECCC weather alert.

What is this ECCC weather alert about?
A yellow warning for a severe thunderstorm is in effect for Deep River - Whitney - Eastern Algonquin Park until 3:10 p.m. EDT on August 29, 2026.
Which agency issued this alert?
This alert was issued by ECCC. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects Eastern Ontario. Check with ECCC for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/ca/weather/ for the latest updates from ECCC and other agencies.