First published Oct 20, 2026, 9:26:15 PM UTC · Last updated Oct 20, 2026, 9:26:15 PM UTC

Thunderstorms and lightning

Thunderstorm Tonight in Sumatera Barat

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall were forecast in parts of Sumatera Barat from 21 October 2026 at 03:30 WIB, with conditions expected to improve gradually by 06:00 WIB. The source identifies possible reduced visibility, strong winds, and localized flooding, and advises vigilance and limiting outdoor activities.

At a glance

Affected location: Sumatera Barat

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Why it matters

The forecast names multiple affected localities and includes public safety advice.

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: 4/10The 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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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
Thunderstorm This Morning in JambiOct 20, 2026, 11:00 PM UTC
Thunderstorms and heavy rainfall were forecast for parts of Jambi starting 21 October 2026 at 06:10 WIB, with conditions expected to improve by 08:10 WIB. The forecast noted possible reduced visibility, strong winds, and localized flooding.
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Thunderstorm Tonight in Sumatera BaratOct 20, 2026, 8:20 PM UTC
3 reports describing the same event are grouped here. Expand the group to review every source report.
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Thunderstorms and heavy rain are forecast from 00:30 to 03:30 WIB on 21 October 2026 in parts of West Sumatra, especially Kapur IX and Sipora Utara. Reduced visibility, strong winds, and localized flooding are possible.
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Thunderstorm This Morning in RiauOct 21, 2026, 12:40 AM UTC
Thunderstorms and heavy rain were forecast for parts of Riau on 21 October 2026, with possible reduced visibility, strong winds, and localized flooding. The source advises vigilance and limiting outdoor activity; conditions were expected to ease by 10:00 WIB.
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Thunderstorm This Morning in AcehOct 21, 2026, 12:39 AM UTC
Thunderstorms and heavy rainfall were forecast to affect parts of Aceh from 07:41 WIB on 21 October 2026, with conditions expected to improve by 10:30 WIB. The alert cited possible reduced visibility, strong winds, and localized flooding, and advised vigilance and limiting outdoor activities.

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