First published Oct 19, 2026, 5:28:15 PM UTC · Last updated Oct 19, 2026, 5:28:15 PM UTC

Thunderstorms and lightning

Thunderstorm Tonight in Riau

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast in parts of Riau from 19 October at 23:00 WIB, with conditions expected to improve by 03:00 WIB on 20 October. The forecast warns of reduced visibility, strong winds, and localized flooding.

At a glance

Affected location: Riau

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Why it matters

The forecast advises vigilance and precautions in the affected areas because localized flooding and other hazardous conditions are possible.

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 This Evening in RiauOct 19, 2026, 9:20 AM UTC
Thunderstorms and heavy rainfall are forecast in parts of Riau from 16:30 to 19:00 WIB on 19 October 2026. Reduced visibility, strong winds and localized flooding are possible.
Nearby · within 200 km
Thunderstorm This Afternoon in RiauOct 19, 2026, 7:00 AM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm This Morning in RiauOct 18, 2026, 10:10 PM 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 RiauOct 18, 2026, 3:20 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 RiauOct 18, 2026, 10:50 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 Afternoon in RiauOct 18, 2026, 6:40 AM UTC
Thunderstorms and heavy rain are forecast across parts of Riau from 13:50 to 16:00 WIB on 18 October 2026, with possible visibility reduction, strong winds, and localized flooding. The source advises vigilance and precautions.

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