First published Oct 27, 2026, 8:38:15 AM UTC · Last updated Oct 27, 2026, 8:38:15 AM UTC

Thunderstorms and lightning

Thunderstorm This Evening in Sumatera Utara

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast in parts of Sumatera Utara from 15:30 WIB on 27 October 2026, with localized flooding, strong winds, and reduced visibility possible. Conditions are forecast to improve by 18:30 WIB.

At a glance

Affected location: Sumatera Utara

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Why it matters

People in the affected areas are advised to stay alert, limit outdoor activity, and take precautions during the forecast period.

Location

Highlighted marker: this event.

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: 7/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

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

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