First published Oct 29, 2026, 2:50:15 PM UTC · Last updated Oct 29, 2026, 2:50:15 PM UTC

Thunderstorms and lightning

Thunderstorm Tonight in Sumatera Utara

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast to begin on 29 October 2026 at 21:15 WIB in parts of North Sumatra, with conditions expected to improve by 00:15 WIB on 30 October. The source warns of possible reduced visibility, strong winds and localized flooding, and advises vigilance and precautions.

At a glance

Affected location: Sumatera Utara

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Why it matters

The forecast calls for prompt vigilance in the affected areas.

Location

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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: 3/10How 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).
Urgency: 8/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

Indonesia BMKG Weather Alerts Thunderstorm Tonight in Sumatera UtaraBMKG — Indonesian Agency for Meteorology, Climatology, and Geophysics

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