First published Oct 21, 2026, 5:33:15 PM UTC · Last updated Oct 21, 2026, 5:33:15 PM UTC

Thunderstorms and lightning

Thunderstorm Tonight in Sumatera Barat

Reported by Indonesia BMKG Weather Alerts

A forecast calls for thunderstorms and heavy rainfall in parts of Sumatera Barat beginning 21 October 2026 at 23:30 WIB, with conditions expected to improve by 22 October at 01:30 WIB. Reduced visibility, strong winds, and localized flooding are possible; the public is advised to stay vigilant, limit outdoor activities, and take precautions.

At a glance

Affected location: Sumatera Barat

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Why it matters

The forecast gives people in the named areas a short window to follow safety advice before the expected storms.

Location

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Generated scores

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

Confidence: 7/10How 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 BaratBMKG — Indonesian Agency for Meteorology, Climatology, and Geophysics

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