Squall Warning Issued for Prescott to Cornwall

Source: ECCC · Prescott to Cornwall

This alert is no longer in effect.

ECCC issued it on August 6, 2026, 6 weeks 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.

A squall warning is in effect for Prescott to Cornwall with wind gusts up to 40 knots, frequent lightning, and poor visibility in heavy thunderstorms.

This weather record, quickly

Record type
Squall Warning
Affected area
Prescott to Cornwall
Issued
August 6, 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 6 weeks ago; use the issuing agency's live warning service for current conditions in Prescott to Cornwall.

Alert Details

Environment Canada has issued a squall warning. The alert is effective from 2026-08-06T19:15:50-00:00 until 2026-08-06T21:14:50-00:00.

Affected Areas

The warning covers Prescott to Cornwall.

What You Should Do

Poor to very poor visibility may contribute to voyage delays and make marine navigation hazardous. Continue to monitor alerts and forecasts issued by Environment Canada. For more information, monitor Canadian Coast Guard radio or Weatheradio stations.

Expected Conditions

Squalls with wind gusts up to 40 knots, frequent lightning, and poor to very poor visibility in thunderstorms heavy at times are expected or occurring.

Timeline

The alert is effective immediately from 2026-08-06T19:15:50-00:00 and expires at 2026-08-06T21:14:50-00:00.

Original source: ECCC Official Notice ↗

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Elsewhere in the country: similar length or severity timing 8

Two cross-category peer sets, both computed from Areazine's own archive: notices with a similar body length, and notices near the same severity and agency date. These are drawn from other categories, not the same-feed Related list above.

What People Ask

Questions readers often have about this ECCC weather alert.

What is this ECCC weather alert about?
A squall warning is in effect for Prescott to Cornwall with wind gusts up to 40 knots, frequent lightning, and poor visibility in heavy thunderstorms.
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 "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Prescott to Cornwall. 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.