First published Oct 17, 2026, 11:45:15 AM UTC · Last updated Oct 17, 2026, 11:45:15 AM UTC

Frost (advisory) - Valleyfield - Beauharnois area

A yellow-level frost advisory warns that temperatures in the Valleyfield–Beauharnois area will drop near freezing overnight. The source advises protecting cold-sensitive plants, trees, and crops and continuing to monitor alerts and forecasts.

Why it matters

Preventative measures are advised to protect cold-sensitive plants, trees, and crops before temperatures approach freezing overnight.

Location

Categories: severe-weather-and-natural-disasters

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 6/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 2/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 3/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 2/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 6/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

Environment Canada Weather Alerts Frost (advisory) - Valleyfield - Beauharnois area

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