First published Oct 30, 2026, 10:34:15 AM UTC · Last updated Oct 30, 2026, 10:34:15 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 beginning 30 October 2026 at 16:55 WIB, with conditions expected to improve by 19:55 WIB. The source advises vigilance and limiting outdoor activities, and mentions possible reduced visibility, strong winds, and localized flooding.

At a glance

Affected location: Sumatera Utara

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Why it matters

The forecast covers multiple areas and includes advice to take precautions during the stated period.

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: 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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