First published Oct 19, 2026, 4:49:15 PM UTC · Last updated Oct 19, 2026, 4:49:15 PM UTC

Thunderstorms and lightning

Thunderstorm Tonight in Sumatera Utara

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast in parts of Sumatera Utara from 19 October 2026 at 23:55 WIB, with conditions expected to improve by 20 October at 02:56 WIB. Localized flooding, strong winds, and reduced visibility are possible.

At a glance

Affected location: Sumatera Utara

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Why it matters

The source advises people in the affected areas to stay vigilant, limit outdoor activities, and take precautions.

Location

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Generated scores

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

Confidence: 5/10How 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: 7/10How 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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