First published Oct 19, 2026, 8:54:15 PM UTC · Last updated Oct 19, 2026, 8:54:15 PM UTC

Thunderstorms and lightning

Thunderstorm Tonight in Kalimantan Tengah

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast in parts of Kalimantan Tengah, including Sumber Barito, Sungai Babuat, and Tanah Siang, from 03:10 to 05:30 WIB on 20 October 2026. Reduced visibility, strong winds, and localized flooding are possible; the public is advised to take precautions.

At a glance

Affected location: Kalimantan Tengah

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Why it matters

The forecast identifies possible localized flooding and urges people in the named areas to 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: 6/10How 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 TengahBMKG — 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 This Morning in Kalimantan TengahOct 19, 2026, 10:37 PM 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 TimurOct 19, 2026, 3:40 PM UTC
A forecast calls for thunderstorms and heavy rain in parts of East Kalimantan, with possible reduced visibility, strong winds and localized flooding. Residents are advised to take precautions and limit outdoor activities.
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Damaging-wind warning issued for the Atlin areaOct 19, 2026, 10:40 PM UTC
Environment Canada warns of gusts up to 90 km/h across Atlin and several nearby communities through early Wednesday. Strong winds may cause local utility outages and challenging travel near White Pass.
Same topic
Damaging-wind warning for Teslin and surrounding Yukon areasOct 19, 2026, 10:40 PM UTC
An Environment Canada warning reports southerly wind gusts up to 90 km/h across Teslin and several other Yukon areas, from Tuesday until early Wednesday. It also notes possible utility outages and challenging travel near White Pass.

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