First published Oct 22, 2026, 7:30:15 PM UTC · Last updated Oct 22, 2026, 7:30:15 PM UTC

Thunderstorms and lightning

Thunderstorm Tonight in Kalimantan Utara

Reported by Indonesia BMKG Weather Alerts

Thunderstorms are forecast for parts of North Kalimantan, including Lumbis, Malinau Selatan Hulu, Sebuku and Tulin Onsoi, from 01:10 to 04:00 WITA on 23 October 2026. The forecast warns of possible reduced visibility, strong winds and localized flooding.

At a glance

Affected location: North Kalimantan

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Why it matters

The alert advises vigilance and limiting outdoor activities during the forecast period.

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 Kalimantan UtaraBMKG — Indonesian Agency for Meteorology, Climatology, and Geophysics

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