First published Oct 27, 2026, 12:58:15 PM UTC · Last updated Oct 27, 2026, 12:58:15 PM UTC

Thunderstorms and lightning

Thunderstorm This Evening in Sumatera Utara

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast in parts of Sumatera Utara from 27 October 2026 at 18:55 WIB, with conditions expected to improve by 21:55 WIB. The forecast warns of possible reduced visibility, strong winds, and localized flooding, and advises the public to take precautions.

At a glance

Affected location: Sumatera Utara

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Why it matters

The forecast covers multiple areas and includes advice to limit outdoor activities and remain vigilant.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 5/10How 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 This Evening 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 27, 2026, 2:30 PM UTC
Thunderstorms and heavy rainfall were forecast to begin at 22:00 WIB on 27 October 2026 across numerous listed areas of Sumatera Utara. The supplied excerpt is cut off mid-sentence, so further details are unavailable.
Nearby · within 200 km
Thunderstorm This Evening in Sumatera UtaraOct 27, 2026, 11:25 AM UTC
Thunderstorms and heavy rain are forecast in parts of Sumatera Utara from 18:55 to 21:55 WIB on 27 October 2026. The notice warns of possible reduced visibility, strong winds, and localized flooding.
Same topic
Thunderstorm Tonight in Kalimantan SelatanOct 27, 2026, 2:40 PM UTC
Thunderstorms and heavy rainfall are forecast in parts of Kalimantan Selatan from 22:50 WITA on 27 October 2026 to 01:00 WITA on 28 October. The forecast names eight areas and warns of possible reduced visibility, strong winds, and localized flooding.
Same topic
High Wave WARNING for the coast of Ganjam and Puri. High waves in the range of 3.2-5.0 meters are forecasted during 19:59 hours on 27-10-2026 to 17:30 hours on 28-10-2026.Oct 27, 2026, 2:32 PM UTC
INCOIS warned of forecast high waves along the Ganjam and Puri coast, with possible erosion, wave surges, and overtopping. It advised that small vessels not ply and nearshore recreation activities be suspended.
Same topic
Thunderstorm Tonight in Kalimantan TengahOct 27, 2026, 2:15 PM UTC
Thunderstorms and heavy rainfall are forecast in parts of Kalimantan Tengah from 21:25 to 23:30 WIB on 27 October 2026, particularly in Jenamas, Karau Kuala, and Raren Batuah. The source warns of possible reduced visibility, strong winds, and localized flooding.
Same topic
Thunderstorm Tonight in Nusa Tenggara BaratOct 27, 2026, 1:20 PM UTC
Thunderstorms and heavy rainfall are forecast in parts of Nusa Tenggara Barat from 21:30 WITA on 27 October 2026, with conditions expected to improve by 23:00 WITA. The forecast names Praya Barat and Sekotong and warns of reduced visibility, strong winds, and localized flooding.

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