First published Oct 20, 2026, 10:26:15 AM UTC · Last updated Oct 20, 2026, 10:26:15 AM UTC

Thunderstorms and lightning

Thunderstorm This Evening in Kalimantan Barat

Reported by Indonesia BMKG Weather Alerts

Thunderstorms are forecast in parts of Kalimantan Barat starting at 16:40 WIB on 20 October 2026, including Bengkayang, Pontianak Kota, Pontianak Selatan, and Sadaniang. The alert warns of possible reduced visibility, strong winds, and localized flooding, and advises people to remain vigilant and limit outdoor activities.

At a glance

Affected location: Kalimantan Barat

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Why it matters

The alert advises precautions ahead of forecast thunderstorms and possible localized flooding in parts of Kalimantan Barat.

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: 6/10How 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 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.

Nearby · within 200 km
Thunderstorm Tonight in Kalimantan BaratOct 19, 2026, 2:05 PM UTC
Thunderstorms and heavy rainfall are forecast from 21:30 WIB on 19 October 2026 in parts of Kalimantan Barat, with possible reduced visibility, strong winds, and localized flooding. Conditions are expected to improve by 23:30 WIB.
Nearby · within 200 km
Thunderstorm This Evening in Kalimantan BaratOct 19, 2026, 8:20 AM UTC
Thunderstorms and heavy rainfall are forecast from 15:30 to 18:30 WIB on 19 October 2026 in parts of Kalimantan Barat. The alert warns of reduced visibility, strong winds, and localized flooding.
Nearby · within 200 km
Thunderstorm Tonight in Kalimantan BaratOct 17, 2026, 4:35 PM UTC
Thunderstorms and heavy rainfall are forecast in parts of Kalimantan Barat from 00:00 to 03:00 WIB on 18 October 2026, with possible reduced visibility, strong winds, and localized flooding. The public is advised to stay vigilant, limit outdoor activities, and take precautions.
Nearby · within 200 km
Thunderstorm Tonight in Kalimantan BaratOct 16, 2026, 9:10 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm This Afternoon in Kalimantan BaratOct 16, 2026, 7:20 AM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Thunderstorm Tonight in Kalimantan BaratOct 15, 2026, 4:00 PM UTC
3 reports describing the same event are grouped here. Expand the group to review every source report.

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