Weather Alerts for: Deer Lake - Humber Valley

Yellow Warnings

Yellow Advisory - Frost

4:02 PM NDT Saturday 12 September 2026

Impact Level: Moderate

Forecast Confidence: High

Areas of frost are expected. Locations: Deer Lake - Humber Valley, Buchans and the interior, Grand-Falls-Windsor and vicinity, and Green Bay - White Bay. Minimum temperatures: +5 to +1 (coolest in low-lying areas) Time span: early Sunday morning. Remarks: Patchy frost is expected to form as clear skies and light winds coincide with cool temperatures, especially in low-lying areas. Damage to plants, trees, and crops is possible. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to NLstorm@ec.gc.ca or post reports on social media using #NLwx.

In effect for:

Deer Lake - Humber Valley

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