First published Oct 20, 2026, 10:34:15 PM UTC · Last updated Oct 20, 2026, 10:34:15 PM UTC

Thunderstorms and lightning

Thunderstorm Tonight in Kalimantan Barat

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast in parts of Kalimantan Barat, especially Simpang Hulu, from 04:30 to 06:30 WIB on 21 October 2026. The forecast warns of possible reduced visibility, strong winds, and localized flooding.

At a glance

Affected location: Kalimantan Barat

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Why it matters

The forecast advises people in the affected area to stay 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: 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 BaratBMKG — 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.

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