First published Oct 30, 2026, 8:03:15 PM UTC · Last updated Oct 30, 2026, 8:03:15 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 beginning 30 October 2026 at 22:20 WIB, with conditions expected to improve by 31 October at 02:32 WIB. The source warns of reduced visibility, strong winds and localized flooding, and urges vigilance, limited outdoor activity and precautions.

At a glance

Affected location: Sumatera Utara

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Why it matters

The forecast includes potential localized flooding, strong winds and reduced visibility, and advises the public to 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: 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 Tonight in Sumatera UtaraBMKG — Indonesian Agency for Meteorology, Climatology, and Geophysics

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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
Thunderstorm Tonight in Sumatera UtaraOct 30, 2026, 3:00 PM UTC
A forecast calls for thunderstorms and heavy rain in parts of Sumatera Utara from 30 October 2026 at 22:20 WIB, with possible reduced visibility, strong winds, and localized flooding. The alert advises precautions and says conditions may improve by 31 October at 02:32 WIB.
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Thunderstorm Tonight in Sumatera BaratOct 30, 2026, 7:53 PM UTC
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