First published Oct 20, 2026, 1:22:15 PM UTC · Last updated Oct 20, 2026, 1:22:15 PM UTC

Thunderstorms and lightning

Thunderstorm This Evening in Kep. Riau

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast in Siantan Selatan and Siantan Timur, Riau Islands, from 18:55 to 21:00 WIB on 20 October 2026. The source warns of possible reduced visibility, strong winds, and localized flooding.

At a glance

Affected location: Siantan Selatan and Siantan Timur, Riau Islands

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Why it matters

The public in the two named areas is advised to remain vigilant, limit outdoor activities, and take precautions.

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: 2/10How 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 Kep. RiauBMKG — Indonesian Agency for Meteorology, Climatology, and Geophysics

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