First published Oct 22, 2026, 6:19:15 PM UTC · Last updated Oct 22, 2026, 6:19:15 PM UTC

Thunderstorms and lightning

Thunderstorm Tonight in Sumatera Utara

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast from 01:15 WIB on 23 October 2026 in parts of Sumatera Utara, including Hibala, Panai Hilir, Pulau-Pulau Batu, Tanah Masa, Tapian Nauli, and Tuhemberua. The forecast says conditions may gradually improve by 03:15 WIB.

At a glance

Affected location: Sumatera Utara

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Why it matters

The forecast warns of reduced visibility, strong winds, and localized flooding, and advises the public 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: 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: 7/10How 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 UtaraBMKG — 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 Sumatera UtaraOct 22, 2026, 5:45 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 Sumatera UtaraOct 21, 2026, 8:05 PM 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 Sumatera UtaraOct 20, 2026, 3:05 AM UTC
Thunderstorms and heavy rainfall are forecast in parts of Sumatera Utara from 20 October 2026 at 10:15 WIB, with conditions expected to improve by 13:15 WIB. Reduced visibility, strong winds, and localized flooding are listed as possible effects.
Nearby · within 200 km
Thunderstorm This Morning in Sumatera UtaraOct 19, 2026, 9:45 PM UTC
Thunderstorms and heavy rainfall are forecast from 05:10 to 08:10 WIB on 20 October 2026 in parts of Sumatera Utara, including 17 named localities. The source warns of possible reduced visibility, strong winds, and localized flooding.
Nearby · within 200 km
Thunderstorm Tonight in Sumatera UtaraOct 18, 2026, 9:00 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 Morning in Sumatera UtaraOct 17, 2026, 9:30 PM UTC
Thunderstorms and heavy rainfall are forecast from 05:00 to 08:00 WIB on 18 October 2026 in parts of Sumatera Utara. The forecast warns of possible reduced visibility, strong winds, and localized flooding, and advises vigilance and limiting outdoor activities.

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