First published Oct 20, 2026, 11:11:15 PM UTC · Last updated Oct 20, 2026, 11:11:15 PM UTC

Thunderstorms and lightning

Thunderstorm This Morning in Kalimantan Utara

Reported by Indonesia BMKG Weather Alerts

Thunderstorms and heavy rain are forecast across 13 named localities in North Kalimantan from 06:15 to 08:15 WITA on 21 October 2026. Reduced visibility, strong winds, and localized flooding are possible.

At a glance

Affected location: Kalimantan Utara

Share this event

Follow: Severe weather in Indonesia

Manage follows

Why it matters

The forecast includes possible local hazards, and the advisory urges people in the affected areas to take 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: 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 This Morning in Kalimantan UtaraBMKG — 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 Tonight in Kalimantan TengahOct 20, 2026, 12:00 PM UTC
Thunderstorms and heavy rainfall were forecast from 19:10 to 21:00 WIB on 20 October 2026, especially in Bulik, Kalimantan Tengah. The alert warned of reduced visibility, strong winds, and localized flooding.
Same topic
Aviso de Chuvas Intensas. Severidade Grau: Perigo PotencialOct 21, 2026, 12:01 AM UTC
Brazil’s INMET issued an active potential-danger alert for intense rain in areas across several states in the North and Center-West, effective 21 October 2026. The alert reports rainfall of 20–30 mm per hour or up to 50 mm per day, winds of 40–60 km/h, and low risk of power outages, falling branches, and flooding.
Same topic
Storm Warnings — AnchorageOct 20, 2026, 10:45 PM UTC
2 related advisories are grouped here. Expand the group to review every affected area and source advisory.
Same topic
NWS Fairbanks issues Winter Storm Watch for Point Hope through October 25Oct 20, 2026, 10:39 PM UTC
A Winter Storm Watch covers Point Hope in Alaska’s Western Arctic Coast from late Thursday night through Sunday afternoon. Blowing snow, up to 4 inches of snow, gusts up to 65 mph, reduced visibility, and travel impacts are possible; power outages could also occur.
Same topic
High Wind Watches — FairbanksOct 20, 2026, 10:20 PM UTC
2 related advisories are grouped here. Expand the group to review every affected area and source advisory.
Same topic
High Wind Warning for Skagway Municipality through 10 PM AKDTOct 20, 2026, 9:52 PM UTC
A High Wind Warning covers the Municipality of Skagway until 10 PM AKDT on October 20, with south winds of 30–40 mph and gusts up to 65 mph. A Wind Advisory is then in effect until 10 AM Wednesday, with gusts up to 60 mph.

Loading related developments…

Explore severe weather in indonesia