First published Oct 20, 2026, 11:09:15 PM UTC · Last updated Oct 20, 2026, 11:09:15 PM UTC

Thunderstorms and lightning

Thunderstorms and Heavy Rain Forecast in Parts of Riau, Indonesia

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast from 03:40 to 07:40 WIB on 21 October 2026 in parts of Riau, including Kabun, Kampar Kiri Hulu, and other named areas. The source advises vigilance and precautions.

At a glance

Affected location: Riau, Indonesia

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Why it matters

The forecast may bring reduced visibility, strong winds, and localized flooding, according to the source.

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: 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 RiauBMKG — 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 RiauOct 20, 2026, 8:30 PM UTC
5 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm This Evening in RiauOct 20, 2026, 9:20 AM UTC
Thunderstorms and heavy rain are forecast in parts of Riau from 20 October 2026 at 16:30 WIB, with possible reduced visibility, strong winds, and localized flooding. The source advises vigilance and limiting outdoor activities, and says conditions should gradually improve by 19:30 WIB.
Nearby · within 200 km
Thunderstorm This Afternoon in RiauOct 20, 2026, 7:30 AM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm This Morning in RiauOct 20, 2026, 2:50 AM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorms and Heavy Rain Forecast in Parts of Riau, IndonesiaOct 19, 2026, 11:20 PM UTC
Thunderstorms and heavy rain are forecast in parts of Riau from 06:30 to 09:00 WIB on 20 October 2026, with possible reduced visibility, strong winds, and localized flooding. The alert advises people to remain vigilant, limit outdoor activities, and take precautions.
Nearby · within 200 km
Thunderstorm Tonight in RiauOct 19, 2026, 9:00 PM UTC
3 reports describing the same event are grouped here. Expand the group to review every source report.

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