First published Oct 29, 2026, 6:07:15 PM UTC · Last updated Oct 29, 2026, 6:07:15 PM UTC

Thunderstorms and lightning

Thunderstorm Tonight in Sumatera Utara

Reported by Indonesia BMKG Weather Alerts

A forecast for parts of North Sumatra says thunderstorms and heavy rain are due to begin at 00:30 WIB on 30 October 2026; reduced visibility, strong winds and localized flooding are possible. Conditions are expected to improve by 03:30 WIB.

At a glance

Affected location: Sumatera Utara

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Why it matters

The forecast advises people in the named areas to remain vigilant, limit outdoor activities and 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: 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: 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 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 29, 2026, 5:20 PM UTC
Thunderstorms and heavy rainfall are forecast in parts of Sumatera Utara from 30 October 2026 at 00:30 WIB, with conditions expected to improve by 03:30 WIB. The source warns of possible reduced visibility, strong winds, and localized flooding.
Nearby · within 200 km
Thunderstorm This Evening in Sumatera UtaraOct 29, 2026, 10:40 AM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Same topic
Freeze Watch issued October 29 at 11:32AM PDT until October 31 at 9:00AM PDT by NWS Seattle WAOct 29, 2026, 6:32 PM UTC
A Freeze Watch covers the lowlands of Lewis and southern Thurston Counties from late Friday night through Saturday morning, with temperatures of 26–30°F possible. The alert advises steps now to protect tender plants from possible damage to crops, sensitive vegetation, and unprotected outdoor plumbing.
Same topic
Thunderstorm Tonight in Sumatera BaratOct 29, 2026, 6:20 PM UTC
3 reports describing the same event are grouped here. Expand the group to review every source report.
Same topic
Thunderstorm Tonight in JakartaOct 29, 2026, 6:17 PM UTC
Thunderstorms and heavy rainfall were forecast in parts of Jakarta, especially Cibinong, beginning 30 October 2026 at 01:27 WIB. The source warned of possible reduced visibility, strong winds and localized flooding, and said conditions were expected to improve by 03:30 WIB.
Same topic
Freeze Watch issued October 29 at 11:14AM PDT until October 31 at 9:00AM PDT by NWS Portland OROct 29, 2026, 6:14 PM UTC
A freeze watch covers named areas in Oregon and Washington, with sub-freezing temperatures possible from late Friday night through Saturday morning. The alert advises protecting sensitive plants from the cold.

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