First published Oct 16, 2026, 12:08:15 PM UTC · Last updated Oct 16, 2026, 12:08:15 PM UTC

Thunderstorm This Evening in Sumatera Utara

Thunderstorms and heavy rainfall are forecast in parts of Sumatera Utara from 16 October 2026, 16:50 WIB, with conditions expected to gradually improve by 19:50 WIB. The forecast warns of possible reduced visibility, strong winds, and localized flooding, and advises people to limit outdoor activities and take precautions.

Why it matters

The forecast identifies a near-term risk of thunderstorms, heavy rainfall, and localized flooding across parts of Sumatera Utara.

Location

Categories: severe-weather-and-natural-disasters

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: 4/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 3/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (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 This Evening in Sumatera UtaraBMKG — Indonesian Agency for Meteorology, Climatology, and Geophysics

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