First published Oct 20, 2026, 12:43:15 PM UTC · Last updated Oct 20, 2026, 12:43:15 PM UTC

Thunderstorms and lightning

Thunderstorm This Evening in Kep. Riau

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rain are forecast from 18:55 to 21:00 WIB on 20 October 2026 in parts of Kep. Riau, especially Siantan Selatan and Siantan Timur. Reduced visibility, strong winds, and localized flooding are possible.

At a glance

Affected location: Kep. Riau

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Why it matters

The forecast identifies a near-term weather threat and advises people in the affected areas 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: 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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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
Thunderstorm Tonight in RiauOct 20, 2026, 12:20 PM UTC
Thunderstorms and heavy rainfall are forecast in parts of Riau starting at 19:30 WIB on 20 October 2026, with conditions expected to improve by 21:00 WIB. The forecast notes possible reduced visibility, strong winds, and localized flooding.
Nearby · within 200 km
Thunderstorm This Morning in Kep. RiauOct 18, 2026, 11:00 PM UTC
4 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm Tonight in Kep. RiauOct 18, 2026, 5:50 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm This Evening in Kep. RiauOct 18, 2026, 10:00 AM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm Tonight in Kep. RiauOct 17, 2026, 5:59 PM UTC
4 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm This Afternoon in Kep. RiauOct 17, 2026, 6:48 AM UTC
Thunderstorms and heavy rainfall are forecast from 14:00 to 16:00 WIB on 17 October 2026 in parts of Kep. Riau, including Belakang Padang, Belat, Buru, Kundur Barat, Kundur Utara, Singkep, Singkep Pesisir, and Singkep Selatan. The source warns of possible reduced visibility, strong winds, and localized flooding, and advises vigilance and limiting outdoor activities.

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