First published Oct 21, 2026, 9:08:15 AM UTC · Last updated Oct 21, 2026, 9:08:15 AM UTC

Thunderstorms and lightning

Thunderstorms and Heavy Rain Forecast in West Sumatra on 21 October

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rainfall are forecast in parts of Sumatera Barat from 15:30 to 17:30 WIB on 21 October 2026, with possible reduced visibility, strong winds, and localized flooding. The public is advised to remain vigilant, limit outdoor activities, and take precautions.

At a glance

Affected location: Sumatera Barat

Share this event

Follow: Severe weather in Indonesia

Manage follows

Why it matters

The forecast includes potential localized flooding and other hazardous conditions, and the source advises public precautions.

Location

Show nearby reports · last 30 days

Highlighted marker: this event.

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: 7/10How 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 Sumatera BaratBMKG — Indonesian Agency for Meteorology, Climatology, and Geophysics

Report an issue

Read our editorial process and corrections policy.

Continue exploring

Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
Thunderstorm This Afternoon in Sumatera BaratOct 21, 2026, 6:40 AM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Same topic
Thunderstorm This Evening in JambiOct 21, 2026, 9:15 AM UTC
Thunderstorms and heavy rainfall are forecast in parts of Jambi from 16:30 to 18:30 WIB on 21 October 2026. The forecast warns of possible reduced visibility, strong winds, and localized flooding.
Same topic
Thunderstorm This Evening in RiauOct 21, 2026, 9:10 AM UTC
Thunderstorms and heavy rainfall are forecast in parts of Riau from 16:20 to 18:30 WIB on 21 October 2026, with possible reduced visibility, strong winds, and localized flooding.
Same topic
Thunderstorm This Evening in Jawa TengahOct 21, 2026, 9:10 AM UTC
Thunderstorms and heavy rainfall are forecast from 16:20 to 18:20 WIB on 21 October 2026 in parts of Jawa Tengah, with possible strong winds, reduced visibility, and localized flooding. The source advises vigilance, limiting outdoor activities, and taking precautions.
Same topic
Orange Rain Warning issued for Croatia - Splitsko-dalmatinskaOct 21, 2026, 9:08 AM UTC
Meteoalarm issued an orange, severe rain warning for Splitsko-dalmatinska, Croatia, with onset expected at 10:00 UTC on October 21, 2026, and expiry at 17:59 UTC. The alert lists certainty as likely; additional impact details were not included in the source data received by Planet Briefing.
Same topic
Thunderstorm This Evening in Kalimantan TimurOct 21, 2026, 8:59 AM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.

Loading related developments…

Explore severe weather in indonesia